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X2 + x- 12 ...please who has a solution to this​
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2 votes
X2 + x- 12 ...please who has a solution to this​

User Guido Anselmi
by
4.7k points

2 Answers

3 votes

Answer: (x-3) (x+4)

Step-by-step explanation:

User Celwell
by
5.5k points
2 votes

Answer:

x=3, x=-4

Step-by-step explanation:

x² +x -12

= x² +4x-3x-12

= x(x+4) -3(x+4)

= (x-3)(x+4)

x-3=0, x+4=0

x=3, x=-4

User Ali
by
5.3k points
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