Math Factor and check 5x^2 - 2x - 9 = 0 Asked by AnneS2 on 14 Jun 09:55 Last updated by anonymous on 15 Jun 10:20
5x^2 - 2x - 9 = 0 x (5 x-2) = 9 Check: x (5 x-2) = 9 (x)(5x) (x)(-2)=9 5x^2 -2x=9 5x^2-2x-9=9-9 5x^2-2x-9=0
