Question

4 x + X - 2 X square + X - 1 when X is equals to -1​

Answer 1

$\huge\tt\green{SolUtiOn;-}$

Given that :-

x = -1

Then according to the question:-

4x + x - 2x² + x - 1

6x - 2x² -1

6 × (-1) - 2 × (-1)² - 1

-6 - 2 - 1

-9

Answer 2

4(-1)+(-1)-2(-1)^2 +(-1)-1

-4-1-2-1-1

= -9