Question

$40 + 3x - {x}^{2}$

Answer 1

plzz tell what to do....ask properly

Answer 2

hey mate...

Answer:

x = 8 , -5

Step-by-step explanation:

-x^{2} +3x +40

-x^{2}+8x-5x+40

x(-x+8)+5(-x+8)

(-x+8)(x+5)=0

-x+8=0;x+5 = 0

x = 8 , -5

hope it helps...