Question

7. Find a quadratic polynomial, the sum and product of whose zeroes are – 10 and 25 respectively. Hence find the zeroes.

Answer 1

polynomial is x²+10x+25
it's zeroes are x²+5x+5x+25
=x(x+5)+5(x+5)
=(x+5)(x+5)
it's zeroes are
x= -5,-5


hope it is helpful