Question

Find p(-1) for the polynomial p(x)=x³-4x²+9x-5​

Answer 1

Answer:

Given,

p(x)=x^3-4x^2+9x-5

p(-1)=(-1)^3-4(-1)^2+9(-1)-5

p(-1)= -1-4-9-5

p(-1)= -5-5-9

p(-1)= -10-9

p(-1)= -19 (ANS)

I AM USING THE SYMBOL(^)TO REPRESENT THE POWERS OVER X