5x(2x-7)-x(10x-11)=30-29x
10x^2-35x-10x^2+11x=30-29x
-35x+29x+11x=30
5x=30
x=6
10х^2-35х-10х^2+11х-30+29х=0
5х-30=0
5х=30
х=6
5x(2x-7)-x(10x-11)=30-29x
10x^2-35x-10x^2+11x=30-29x
-35x+29x+11x=30
5x=30
x=6
10х^2-35х-10х^2+11х-30+29х=0
5х-30=0
5х=30
х=6