Question

solve the quadratic equation y^2-7y-18=0 by factoring

Answer 1

x= -2 x=9

Answer 2

err Y I mean.

Answer 3

a= 1, b= -7, c= -18

x = [– b ± √b² – 4ac]/2a

now u can solve it right

Answer 4

y ^{2}-9y+2y-18=0
thus
y(y-9)+2(y-9)=0
thus
(y+2)(y-9)=0
hence y=9 ; x=-2