The value of the polynomial 5x^2-3x+7 at x=-1
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Answered by
1
5 * -1 - 3* -1 +7
-5 +3 +7
= 9
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Answered by
2
substituting value of X in the following equation
X = -1
p(X) = 5x²-3x+7
p(-1) = 5(-1)² - 3(-2) + 7
= 5 + 6 + 7
= 18
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