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17 votes
17 votes
Simplify:
9x² - 4x - 3= [?]
X=-2

User Josh French
by
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1 Answer

2 votes
2 votes

Answer:

41

Explanation:

Given x = -2,

Substitute x into the expression.
9x^(2) -4x-3=9(-2)^(2) -4(-2)-3\\= 9(4)-4(-2)-3\\= 36+8-3\\=44-3\\=41

User Eduardo Montoya
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3.0k points