Question

a ( a power 2 +a+1 ) + 5 and find the value of a= -1
with explanation​

Answer 1

Answer:

$( - 1)( { (- 1)}^{2} + ( - 1) + 1) + 5$

$= ( - 1)(1 - 1 + 1) + 5$

$= ( - 1)(1) + 5$

$= ( - 1) + 5$

$= 4$

Hope it helps you.