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3x\times 2x+xx=2x\times 4-2\times 2+x\times 7x
Variable x cannot be equal to 0 since division by zero is not defined. Multiply both sides of the equation by 2x, the least common multiple of 2,x.
3x\times 2x+x^{2}=2x\times 4-2\times 2+x\times 7x
Multiply x and x to get x^{2}.
6xx+x^{2}=2x\times 4-2\times 2+x\times 7x
Multiply 3 and 2 to get 6.
6x^{2}+x^{2}=2x\times 4-2\times 2+x\times 7x
Multiply x and x to get x^{2}.
7x^{2}=2x\times 4-2\times 2+x\times 7x
Combine 6x^{2} and x^{2} to get 7x^{2}.
7x^{2}=2x\times 4-2\times 2+x^{2}\times 7
Multiply x and x to get x^{2}.
7x^{2}=8x-2\times 2+x^{2}\times 7
Multiply 2 and 4 to get 8.
7x^{2}=8x-4+x^{2}\times 7
Multiply -2 and 2 to get -4.
7x^{2}-8x=-4+x^{2}\times 7
Subtract 8x from both sides.
7x^{2}-8x-x^{2}\times 7=-4
Subtract x^{2}\times 7 from both sides.
-8x=-4
Combine 7x^{2} and -x^{2}\times 7 to get 0.
x=\frac{-4}{-8}
Divide both sides by -8.
x=\frac{1}{2}
Reduce the fraction \frac{-4}{-8} to lowest terms by extracting and canceling out -4.