Question: Math

Factor and solve -1x^2 + 8x - 15 = 0

In Math | Asked by AnneS2
Answers

-1x^2 + 8x - 15 = 0

-1(x^2-8x+15)=0

-1(x    )(x    )    (   -5)(   -3)=0

-1(x-5) (x-3) = 0

Solve:

-1(x-5) =0

-1(x)   (-1)(-5) =0

-1x+5=0

-1x+5-5=0-5

-1x=-5

-1x/-1=-5/-1

x=5

Solve:

-1(x-3) = 0

-1(x)   (-1)(-3) = 0

-1x+3=0

-1x+3-3=0-3

-1x=-3

-1x/-1=-3/-1

x=3

CherieS | 487 days ago