CPM Homework Help : PC Problem 2-10

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2-10.

Factor out $(x+2)$ from each expression, then simplify.

$(x+2)^2-3(x+2)$
Hint (a):
Think about this problem as factoring $w^2-3w$ , where $w=x+2$ .
Step 1(a):
$(x+2)((x+2)-3)$
Step 2(a):
$(x+2)(x-1)$

$(x+2)^3-4(x+2)$
Hint (b):
Follow the same process as shown in part (a) above.

$2(x+2)^2+6(x+2)$
Hint (c):
Follow the same process as shown in part (a) above.

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