Question

Find the zero of polynomial h(y) = 6 - 12y​

Answer 1

The quadratic polynomial is y2+235y−5.

The zeros of the polynomial are:

    y2+235y−5=0

⟹  y2+25y−25y−5=0

⟹  y(y+25)−25(y+25)=0

⟹  (y+25)(y−25)=0

⟹  y−25 and y=25=0

The zeros are −25 and 2