Помогите 10x^2 - 17x + 34 = 7x^2 - 26x + 28

Question

Помогите
10x^2 - 17x + 34 = 7x^2 - 26x + 28

Answer 1

10x²-17x+34=7x²-26x+28
10x²-7x²-17x+26x+34-28=0
3x²+9x+6=0
3(x²+3x+2)=0
x²+3x+2=0
(x+1)(x+2)=0
x1=-1,x2=-2
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Answer 2

10x^2-17x+34-7x^2+26x-28=0 3x^2+9x+6=0 x^2+3x+2=0 Д=3^2-4*1*2=9-8=1 x1=(-3+√1)\2=-1 x2=(-3-1)\2=-2 Ответ:-1;-2