Question

5y^-30y+40. find factors of polynomial​

Answer 1

Answer:

5y^2-30y+40=0

5(y^2-6y+8)=0

y^2-6y+8=0

y^2-(4+2)y+8=0

y^2-4y-2y+8=0

y(y-4)-2(y-4)=0

(y-4)(y-2)=0

y-4=0&y-2=0

y=4&y=2