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Simplify 3x ^ 2 - 4 +2x -1 + x^ 2 then evaluate for x = - 1

Simplify 3x ^ 2 - 4 +2x -1 + x^ 2 then evaluate for x = - 1
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4 votes
Simplify 3x ^ 2 - 4 +2x -1 + x^ 2 then evaluate for x = - 1

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User Sheka
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2 Answers

4 votes
The answer to this question is -3
answered
User Daniel Genezini
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8.0k points
7 votes

Explanation:

4x^2+2x-5

4(-1)^2+2(-1)-5

4-2-5

2-5= -3

answered
User Cemo
by
8.5k points
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