x^2 - 24x + 144 = 0 Solve by factoring

Asked by AnneS2 on 01 Apr 04:59

Last updated by anonymous on 04 Apr 14:28

Answered by CherieS on 04 Apr 14:28

x^2 - 24x + 144 = 0

(x )(x ) ( -12)( -12)

(x-12)(x-12)=0

(x-12)^2=0

check:

(x-12)(x-12)

(x)(x) (x)(-12) (-12)(x) (-12)(-12)

x^2 -12x -12x +144

x^2 -24x +144=0

Simplify:

x-12=0

Solve:

x-12=0

x-12+12=0+12

x=12