find the value of the polynomial 4 + x^3-x+2x^2 at x=-2
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4 + x³ - x + 2x²
4 + (-2)³ - (-2) + 2(-2)²
4 + (-8) - (-2) + 2(4)
4 - 8 + 2 + 8
4 + 2
6
I hope this will help you
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4 + (-2)³ - (-2) + 2(-2)²
4 + (-8) - (-2) + 2(4)
4 - 8 + 2 + 8
4 + 2
6
I hope this will help you
(-;
abhi569:
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Answered by
2
p(-2)=4+(-2)^3-(-2)+2(-2)^2
4-8+2+-8=6
4-8+2+-8=6
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