CPM Homework Help : CCA2 Problem 5-37

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5-37.

Multiply each expression below.

Hint:

Use generic rectangles to multiply. See problem 3-69 for an example.

$(x+4)(x−14)$
$(2m+5)(2m−1)$
Answer (b):
$4m^2+8m−5$
$(x−9)(x+9)$
Answer (c):
$x^2−81$
$(3y+2)^2$

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