X² - 17 x = - 10x - 3 - x²

Question

X² - 17 x = - 10x - 3 - x²

Answer 1

X*2+x*2-17x+10x=-3
2x*2-7x=-3
2x*2-7x+3=0
D=49 - 24=25

x=(7+5):4=3
x=(7-5)÷4=0
Ответ:x=3;0.5