Question

решите уравнение x^2-8=2x

Answer 1

x²-2x-8=0
D=4+32=36
x=4
x=-2

Answer 2

x$x^{2} -2x-8=0 D=4+32=36 sqrt{D}=6 x_{1}= frac{2+6}{2}=4 x_{2}= frac{2-6}{2} =-2$