Question

If alpha and beta are the zeros of the polynomial 2y^2+7y+5 write the value of beta.

Answer 1

2y^2+7y +5

2y^2+2y+5y+5

2y(y+1)+5y(y+1)

(y+1) (2y +5y)

y = -1

2y +5y =o

7y = o

y = o