CPM Homework Help : AC Problem 3-29

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Home > AC > Chapter 14 > Lesson 14.3.1.2 > Problem 3-29

3-29.

Factor each expression completely.

$x^{2} − 49$
Answer (a):
$\left(x + 7\right)\left(x − 7\right)$

$4x^{2} − 1$

$x^{2}y^{2 }− 81z^{2}$
Answer (c):
$\left(xy + 9z\right)\left(xy − 9z\right)$

$2x^{3} − 8x$
Hint (d):
Remove the common factor and then factor the quadratic.

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