Question

QF Q6.) Find the function for c.

Answer 1

$2(4x^2-3)-4$ 

$8x^2-6-4$ 

$8x^2+(-6-4)$ 

$8x^2-10 \ \ [x=1]$

$8(1)^2-10$ 

$8-10 = -2$

Answer 2

2(4x^2-3)-4
8x^2 -6-4
8x^2 - 10
8(1)^2 - 10
8-10
-2