Question

Solve the quadratic equation using factorisation method y²=-(2y-35)

Answer 1

Answer:

y²=-2y+35

y²+2y-35=0

y²+7y-5y-35=0

y(y+7)-5(y+7)=0

(y+7)(y-5)=0

y+7=0, y=-7

y-5=0, y=5