Question

17x2-5x=14x2+7x






6x2+2x=4x2+7x

Answer 1

17x²-5x=14x²+7x
3x²-12x=0
3x(x-4)=0
3x=0 или x-4=0
x₁=0 x₂=4

6x²+2x=4x²+7x
2x²-5x=0
2x(x-2.5)=0
2x=0 или x-2.5=0
x₁=0  x₂=2.5

Answer 2

1)17x2-14x2-5x-7x=0
3x2-12x=0
3x(x-4)=0
3x=0
X1=0 x-4=0
X2=4