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4x\times 2x-x\times 8x=2x+6-2\times 4
Variable x cannot be equal to any of the values -3,0 since division by zero is not defined. Multiply both sides of the equation by 4x\left(x+3\right), the least common multiple of 3+x,12+4x,2x,6x+2x^{2}.
8xx-x\times 8x=2x+6-2\times 4
Multiply 4 and 2 to get 8.
8x^{2}-x\times 8x=2x+6-2\times 4
Multiply x and x to get x^{2}.
8x^{2}-x^{2}\times 8=2x+6-2\times 4
Multiply x and x to get x^{2}.
8x^{2}-x^{2}\times 8=2x+6-8
Multiply -2 and 4 to get -8.
8x^{2}-x^{2}\times 8=2x-2
Subtract 8 from 6 to get -2.
8x^{2}-x^{2}\times 8-2x=-2
Subtract 2x from both sides.
8x^{2}-8x^{2}-2x=-2
Multiply -1 and 8 to get -8.
-2x=-2
Combine 8x^{2} and -8x^{2} to get 0.
x=\frac{-2}{-2}
Divide both sides by -2.
x=1
Divide -2 by -2 to get 1.