SOLUTION: Evaluate the polynomial for x= -1 -3x^3 + 8x^2 - 9x-2

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Question 462061: Evaluate the polynomial for x= -1
-3x^3 + 8x^2 - 9x-2
Answer by algebrahouse.com(1659) About Me  (Show Source):
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-3x³ + 8x² - 9x - 2, when x = -1
= -3(-1)³ + 8(-1)² - 9(-1) - 2 {substituted -1 in for x}
= -3(-1) + 8(1) + 9 - 2 {evaluated exponents and multiplied}
= 3 + 8 + 9 - 2 {multiplied}
= 18 {added and subtracted from left to right}
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