Question

-X2-6X+16=0
Помогите глупому человеку, люди добрые:3

Answer 1

-x^2-6x+16 = 0
a = -1; b = -6; c = 16;
x(1,2) =( -b ± $\sqrt{b^2-4*a*c}$) / 2*a;
x1 = (6 + 10)/-2 = -8;
x2 = (6 - 10)/-2 = 2;
Ответ: x1 = -8; x2 = 2;