Question

5y^2+5y-10 quadratic equation

Answer 1

Answer:

5y2+5y-10=

divide equation by 2

y2+y-2

using factorisation

y2+2y-y-2

y(y+2)-1(y+2)=0

(y-1)(y+2)=0

taking (y+2) common

y+2=0

y=-2

(y-1)=0

y=1

y=1,-2