Question

Find the value of x3 - 8x2 + 14x - 7, when x = -1.
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Answer 1

-1 × 3 -8 ×2 +14 -1 -7

= - 3 -16 +14 - 1 - 7

= -27 +14

= - 13

Hope it will help

Have a nice day

Answer 2

Answer:

(-1)³-8(-1)²+14(-1)-7

(-1)-8-14-7

-9-21

-30