Question

Write quadratic equation whose zeroes are 7 and -3

Answer 1

If 7 and -3 are zeroes then (x-7) and (x+3) are the factors
(x-7) × (x+3)= x^2+3x-7x-21
= x^2-4x-21
Therefore the quadratic equation is:
x^2-4x-21 = 0


Hope it helps