What is (4x)/(x+1)*(x^2-6x-7)/(x^2-7x) ?

The solution to (4x)/(x+1)*(x^2-6x-7)/(x^2-7x) is 4

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simplify (4x)/(x+1)*(x^2-6x-7)/(x^2-7x)

simplify

\frac{4 x}{x + 1} \cdot \frac{x ^{2} - 6 x - 7}{x ^{2} - 7 x}

4

Solution steps

\frac{4 x}{x + 1} \cdot \frac{x ^{2} - 6 x - 7}{x ^{2} - 7 x}

Cancel

\frac{x ^{2} - 6 x - 7}{x ^{2} - 7 x} : \frac{x + 1}{x}

= \frac{4 x}{x + 1} \cdot \frac{x + 1}{x}

Cross-cancel common factor:

x + 1

= \frac{4 x}{x}

Cancel the common factor:

x

= 4

9 x + 27

6 \cdot 60

(5 + \frac{1}{4})^{2}

(2 x + 3) (3 x - 1)

(32 x^{- 35} y^{- 25})^{- \frac{4}{5}}

What is (4x)/(x+1)*(x^2-6x-7)/(x^2-7x) ?
The solution to (4x)/(x+1)*(x^2-6x-7)/(x^2-7x) is 4