Question

find the zeros of the polynomial p(x) =x^+2x-15 and verify the relationship between the zeros and coefficient​

Answer 1

x² + 2x - 15

3x5x15

x²

x(x-3)+5(x - 3)

(x − 3)(x + 5)

verification

a+ a

a = 3 and B = -5

a + B = -2

3-5-2

-2 = -2

Vo) LTE

-

αβ = C/a

3 x 5-15