Math

z^2 -6z+9=0 Factor and solve

Asked by AnneS2 on 18 Oct 07:06

Last updated by anonymous on 19 Oct 11:36

1 Answers

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Answered by CherieS on 19 Oct 11:36

z^2 -6z+9=0

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

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

(z-3)^2 = 0

Solve:

(z-3)=0

z-3+3=0+3

z=3