Question

числа 5 и -3 корни уравнения x2 – px + q = 0. найдите значение p и q

Answer 1

(x-5)(x+3) = x^2 - 5x + 3x - 15 = x^2 - 2x - 15
p = 2, q = -15

Answer 2

p=-(-3+5)=-2
q=-3*5=-15