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Please help me !!

simplify the following answer :

Please help me !! simplify the following answer :-example-1

2 Answers

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When x = -1 the expression = 7(-1)^3 + 5(-1)^2 - 2

= -7 + 5 - 2

= -4

User Westwood
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We evaluate the polynomial at x= -1 and get


7 (-1)^3 + 5(-1)^2 - 2 = -7 + 5 - 2 = -4

Answer: -4



User Hama Saadwn
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