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Factor the following expressions (using the distributive property in reverse) 3a - 216 + 18c =

User Wurde
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1 Answer

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we are gonna type the equation over here..


3a-21b+18c=0\text{?}

if it is equal to zero, we want to find that number that is common in all factors..

for the first one we only have..


3a;\text{ then the only number that appear here is 3}

for the second factor we have


-21b\text{ = (-7)(3)b ; we can express like this, in a multi}plication\text{ of -7 and 3}

and for the latest:


18c\text{ = (6)(3)c}

placing,


(3)a-(7)(3)b+(6)(3)c=0

The number in common in all factors is 3; then your answer will be:


3(a-7b+6c)=0

User Ilkinulas
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