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\left(\frac{4\left(-2-x\right)}{-2-x}+\frac{8-4x}{-2-x}\right)x
To add or subtract expressions, expand them to make their denominators the same. Multiply 4 times \frac{-2-x}{-2-x}.
\frac{4\left(-2-x\right)+8-4x}{-2-x}x
Since \frac{4\left(-2-x\right)}{-2-x} and \frac{8-4x}{-2-x} have the same denominator, add them by adding their numerators.
\frac{-8-4x+8-4x}{-2-x}x
Do the multiplications in 4\left(-2-x\right)+8-4x.
\frac{-8x}{-2-x}x
Combine like terms in -8-4x+8-4x.
\frac{-8xx}{-2-x}
Express \frac{-8x}{-2-x}x as a single fraction.
\frac{-8x^{2}}{-2-x}
Multiply x and x to get x^{2}.
\left(\frac{4\left(-2-x\right)}{-2-x}+\frac{8-4x}{-2-x}\right)x
To add or subtract expressions, expand them to make their denominators the same. Multiply 4 times \frac{-2-x}{-2-x}.
\frac{4\left(-2-x\right)+8-4x}{-2-x}x
Since \frac{4\left(-2-x\right)}{-2-x} and \frac{8-4x}{-2-x} have the same denominator, add them by adding their numerators.
\frac{-8-4x+8-4x}{-2-x}x
Do the multiplications in 4\left(-2-x\right)+8-4x.
\frac{-8x}{-2-x}x
Combine like terms in -8-4x+8-4x.
\frac{-8xx}{-2-x}
Express \frac{-8x}{-2-x}x as a single fraction.
\frac{-8x^{2}}{-2-x}
Multiply x and x to get x^{2}.