Question: Math

Factor and check: -1x^2 + 6x + 16 = 0

In Math | Asked by AnneS2
Answers

-1x^2 + 6x + 16 = 0

-1( x^2 - 6x - 16) = 0

-1(x   )(x   )   (   -8)(   +2)=0

-(x-8) (x+2) = 0

Solve:

-1(x-8)=0

-1(x)   (-1)(-8)=0

-1x+8=0

-1x+8-8=0-8

-1x=-8

-1x/-1=-8/-1

x=8

Solve:

-1(x+2) = 0

-1(x)   (-1)(+2) = 0

-1x-2=0

-1x-2+2=0+2

-1x=2

-1x/-1=2/-1

x=-2

 

CherieS | 422 days ago