SOLUTION: Evaluate the polynomial for x=-1
-5x^3+7x^2-4x-1
simplify your answer. Type an integer or a fraction
I just don't understand this totally yet. Please help me...
Algebra.Com
Question 619135: Evaluate the polynomial for x=-1
-5x^3+7x^2-4x-1
simplify your answer. Type an integer or a fraction
I just don't understand this totally yet. Please help me...
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Replace x with -1 and evaluate.
-5x^3+7x^2-4x-1
-5(-1)^3+7(-1)^2-4(-1)-1
-5(-1)+7(1)-4(-1)-1
5+7+4-1
15
So -5x^3+7x^2-4x-1 = 15 when x = -1
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