CPM Homework Help : CCA Problem 5-79

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Home > CCA > Chapter 5 > Lesson 5.2.3 > Problem 5-79

5-79.

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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