Question

$x^{2} +3x-8=0$

Answer 1

D=3^2 - 4 *1* ( - 8) = 9 +32=41
√D=√41
x1= - 3 +√41 / 2 
x2 = - 3 - √41 / 2 
Ответ: - 3 + √41 / 2 ; - 3 - √41 / 2 .