Question

Please help me !!

simplify the following answer :

Answer 1

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

= -7 + 5 - 2

= -4

Answer 2

We evaluate the polynomial at x= -1 and get

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

Answer: -4