-75x^2 + 290x= 240 Solve by factoring

Asked by AnneS2 on 07 Apr 06:47

Last updated by anonymous on 09 Apr 21:06

Answered by CherieS on 09 Apr 21:06

-75x^2 + 290x= 240

-75x^2+290x-240=240-240

-75x^2+290x-240=0

-5(15x^2 -58x+48)=0

-5(3x )(5x ) ( -8)( -6)

-5 (3 x-8) (5 x-6) = 0

Check:

-5(3x)(5x) (3x)(-6) (-8)(5x) (-8)(-6)

-5 (15x^2 -18x -40x +48)

-5 (15^2 -58x+48)