CPM Homework Help : CCA2 Problem A-80

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Home > CCA2 > Chapter A > Lesson A.2.3 > Problem A-80

A-80.

Find the following products.

$( 4 x + 5 ) ( 4 x - 5 )$

Hint (a):
Use a generic rectangle to find the product.
Answer:
$16x^2-25$

$( 4 x + 5 ) ^ { 2 }$

Hint (b):
$(4x + 5)(4x + 5)$

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