WILL CROWN BRAINLIEST PLEASE HELP!! I already have the answers I just need the step by step process. I’m trying to graduate high school and it is wearing down on my mental health, please help..

WILL CROWN BRAINLIEST PLEASE HELP I already have the answers I just need the step by step process Im trying to graduate high school and it is wearing down on my class=

Respuesta :

Y= -2x - 10^2 + 50
Y= 2x^2 - 20

Step-by-step explanation:

1) y = -2(x+5)^2+50

 0= -2 (x^2 +10x + 25) +50     ........../ by -2

 0= x^2 + 10x  + 25 - 25

0= x^2 + 10x

0= x ( x + 10 )

x=0  ,  x= -10

2) y = -2x (x+10)

  0 = -2x (x+10)

 x= 0   , x= -10