Question

решите уравнение
x^2-24x=-22x+24-x^2

Answer 1

x²-24x=-22x+24-x²
x²+x²-24x+22x-24=0
2x²-2x-24=0
x²-x-12=0
D=1+4*12=49
x1=(1+7)/2=4
x2=(1-7)/2=-3