CPM Homework Help : CCA Problem 3-44

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3-44.

Simplify each expression below, if possible.

$5x(3x)$
Hint (a):
Multiply the coefficients together, then multiply the variables together. Remember to use exponents.
Answer (a):
$15x^2$

$5x+3x$
Hint (b):
Combine like terms.
Answer (b):
$8x$

$6x\left(x\right)$
Hint (c):
See the help for part (a).

$6x+x$
Hint (d):
See the help for part (b).

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