CPM Homework Help : CCA2 Problem 3-32

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3-32.

Simplify each of the following expressions, leaving only positive exponents in your answer.

$(x^3y^{-2})^{-4}$
Step (a):
First multiply the exponents.
$x^{−12}y^8$
Answer (a):
$\frac{y^8}{x^{12}}$

$-3x^2(6xy-2x^3y^2z)$
Step (b):
Multiply the terms by $−3x^2$ individually.

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