Question

2. If r = -3, find the value of:
(ii) -2r2 + 4r + 6
​

Answer 1

Answer:

$- 2 {r}^{2} + 4r + 6$

putting value of r

$- 2( { - 3})^{2} + 4( - 3) + 6 \\ - 18 - 12 + 6 \\ - 24$

thanks

Answer 2

Answer:

-2-3=-5=10+4-3+6=20-3=17