CPM Homework Help : INT1 Problem 4-45

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4-45.

Simplify each expression below, if possible.

$5x(3x)$
Hint (a):
Multiply the two terms. Use the Commutative Property of Multiplication to rearrange the terms.
Answer (a)
$15x^2$

$5x+3x$
Hint (b):
Combine like terms.

$6x(x)$

$6x+x$

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