Question: Math

z^2 -8z+15=0 Factor and solve

In Math | Asked by AnneS2
Answers

z^2 -8z+15=0 

(z   )(z   )   (   -5)(    -3)=0

(z-5) (z-3) = 0

Solve:

(z-5)=0

z-5+5=0+5

z=5

Solve:

(z-3) = 0

z-3+3 = 0+3

z=3

CherieS | 404 days ago