Question

Solve for y in simplest form: y^2+3y-4=0

Answer 1

$y^2+3y-4=0 \\ \\ (y+4)(y-1)=0 \\ \\ y+4=0 \\ y=-4 \\ \\ y-1=0 \\ y=1 \\ \\ y=-4,1$

Answer 2

Y^2+3y-4=o
y^2+4y-y-4=0
y(y+4)-1(y+4)=0
(y-1)(y+4)=o
y=1 or y=-4