Math

z^2 -14z+40=0 Factor and solve

Asked by AnneS2 on 24 Oct 06:53

Last updated by anonymous on 25 Oct 11:48

1 Answers

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Answered by CherieS on 25 Oct 11:48

z^2 -14z+40=0

(z )(z ) ( -10)( -4)=0

(z-10) (z-4) = 0

Solve:

(z-10) =0

z-10+10 =0+10

z=10

Solve:

(z-4) = 0

z-4+4 = 0+4

z=4