CPM Homework Help : AC Problem 4-57

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4-57.

Evaluate each expression below when $x=-3$ .

$4x + 16$
Hint (a):
Use substitution to solve.
Step (a):
$4\left(-3\right)+16$
Answer (a):
$4$

$3x^2-2x+1$
Hint (b):
See the hint in part (a).

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