QUESTION 1
The given expression is
2+8
The greatest common factor of 2 and 8 is 2.
We can rewrite as:
![2+8=2*1+2*4](https://img.qammunity.org/2020/formulas/mathematics/middle-school/6cjubicnhoaxzl2up324i7omck1q6q108h.png)
Factor to get:
![2+8=2(1+4)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/8ccfbx4yt73s6cejnlyoa67l0od3bll57r.png)
QUESTION 2
Given: 9-3
Greatest common factor of 9 and 3 is 3.
Rewrite as:
![9-3=3*3-3*1](https://img.qammunity.org/2020/formulas/mathematics/middle-school/2w12mgi0vbnuxyt52g1wcx0zjq9qdh9o32.png)
Factor:
![9-3=3(3-1)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/l30j7gwut55tnoholalzt73dhinra1tm18.png)
QUESTION 3
Given: 30+25
Greatest common factor of 30 and 25 is 5.
Rewrite as:
![30+25=5*6+5*4](https://img.qammunity.org/2020/formulas/mathematics/middle-school/w46z2bakzkcm2apsgodmus3gu6d2r93s8j.png)
Factor:
![30+25=5(6+4))](https://img.qammunity.org/2020/formulas/mathematics/middle-school/fyoyzasp7pd1r46evm92cohwhh09dafshc.png)
QUESTION 4.
Given: 35-14
The greatest common factor of 35 and 14 is 7.
Rewrite as:
![35-14=5*7-2*7](https://img.qammunity.org/2020/formulas/mathematics/middle-school/n97zwpj33c41k4wezj1ydatgqqeelcf28w.png)
Factor:
![35-14=7(5-2)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/h1y3taqisib9lzfw3rhkleelftf4ys3ysd.png)
QUESTION 5
The given expression is 81-18.
The greatest common factor of 81 and 18 is 9.
Rewrite as:
![81-18=9*9-9*2](https://img.qammunity.org/2020/formulas/mathematics/middle-school/scj0wjtnrroc71u4z149kijidkbagodnh4.png)
Factor:
![81-18=9(9-2)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ba29wnv7fdg11payp8fvohipc3xls78us6.png)
QUESTION 6
Given: 60+100
The greatest common factor of 60 and 100 is 20.
Rewrite as :
![60+100=20*3+20*5](https://img.qammunity.org/2020/formulas/mathematics/middle-school/k3oxehqsuckwyovz6ulyo4gknjyue6owxf.png)
Factor:
![60+100=20(3+5)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/kyr839fpuosj5ludw9fom55l57rnv1ecte.png)
QUESTION 7
Given: 28-20
The greatest common factor of 28 and 20 is 4.
Rewrite as:
![28-20=4*7-4*5](https://img.qammunity.org/2020/formulas/mathematics/middle-school/3ce0p2gnsv5ik72sz2gyc2ue5x9faoj29g.png)
Factor:
![28-20=4(7-5)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/e9mke461hidp800838rj1chlqdu2lsqm9i.png)
QUESTION 8
Given: 72+48
The greatest common factor of 72 and 48 is 24.
Rewrite as:
![72+48=24*3+24*2](https://img.qammunity.org/2020/formulas/mathematics/middle-school/nszx0e2v79iewr8u0xuh6bgjarrssen0nf.png)
Factor:
![72+48=24(3+2)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/uoqdm6xru3at7r8cwwjpizr2l8ew1lwiyj.png)
QUESTION 9
The given expression is
.
The greatest common factor of
and 18 is 6.
Rewrite as;
![12x+18=6*2x+6*3](https://img.qammunity.org/2020/formulas/mathematics/middle-school/isgfoeon26pvtsbb5w78cbuckn99gvrlfn.png)
Factor;
![12x+18=6(2x+3)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/i2fiijcdnisrp8azx9jwyqc1g7xdvf91js.png)
QUESTION 10
Given:
![4y+10](https://img.qammunity.org/2020/formulas/mathematics/middle-school/4adknahouy0ijslwjeehuxnsm7q3jgeedv.png)
The greatest common factor of
and 10 is 2.
Rewrite the expression as;
![4y+10=2*2y+2*5](https://img.qammunity.org/2020/formulas/mathematics/middle-school/1c6y2tiap8pcaf4tpz1q5qai4wat9sm0kr.png)
Factor:
![4y+10=2(2y+5)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/zw64mq0kppgvpwi711ki28ex8uh2255ds3.png)