Question

помогите 59 задание пж

Answer 1

а) x^2+x-6=0

D = b^2-4ac = 1^2 - 4 * 1 * (-6) = 1+24 = 25

√D = √25 = 5

x1 = -b - √D / 2a = -1 - 5 / 2*1 = -6/2 = -3

x2 = -b+√D / 2a = -1+5 / 2*1 = 4/2 = 2

Ответ: -3; 2