Question

. Find the value of n3+5n2+5n-2 for n= -2.
Pls tell fast

Answer 1

Answer:

$- 2 \times 3 + 5 \times - 2 \times 2 + 5 \times - 2 + 5 \times - 2 - 2$

Answer 2

Given $n=-2$

ANSWER

$n^{3} +5n^{2} -5n-2\\ =-8+20+10-2\\ = -10+30\\ =20$