Question

find a quadratic polynomial the sum and product of whose zeroes are -7 and-18 respectively

Answer 1

The sum of zeroes of a polynomial = -b/a

Product of zeroes of polynomials = c/a

-b/a = -7/1
-b = -7, b = 7
a = 1

c/a = -18/18
c = -18

Thus, the polynomial with the given conditions is,
$x { }^{2} + 7x - 18$