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Factor the expression $3x(x+1) + 7(x+1)$.

Guest Oct 4, 2017

Best Answer 

 #1
avatar+771 
+2

3x(x+1) + 7(x+1)

Since both of the values in the parenthesis are equal, we can combine.

(3x+7)(x+1)

Notice the parenthesis. If i had just done 3x+7(x+1), then only 7 would be multiplied by x+1.

So (3x+7)(x+1) is your final answer.

AdamTaurus  Oct 4, 2017
 #1
avatar+771 
+2
Best Answer

3x(x+1) + 7(x+1)

Since both of the values in the parenthesis are equal, we can combine.

(3x+7)(x+1)

Notice the parenthesis. If i had just done 3x+7(x+1), then only 7 would be multiplied by x+1.

So (3x+7)(x+1) is your final answer.

AdamTaurus  Oct 4, 2017

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