Question

Find the zeros of the quadratic polynomial 2x²-2x-12 and verify the relation between the zeros and its coefficient.

Urgent.

Answer 1

The zero of polynomial is 3.

Verification

$2 \times {3}^{2} - 2 \times 3 - 12$

$18 - 18 = 0$

The zero of the polynomial is the factor of the constant term.