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Popular >

simplify (21x^2-168x)/(7x)

Solution

simplify

\frac{21 x ^{2} - 168 x}{7 x}

Solution

3 x - 24

Solution steps

\frac{21 x ^{2} - 168 x}{7 x}

Factor

21 x^{2} - 168 x : 21 x (x - 8)

= \frac{21 x ( x - 8 )}{7 x}

Cancel the common factor:

x

= \frac{21 ( x - 8 )}{7}

Divide the numbers:

\frac{21}{7} = 3

= 3 (x - 8)

Expand

3 (x - 8) : 3 x - 24

= 3 x - 24

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Frequently Asked Questions (FAQ)

What is (21x^2-168x)/(7x) ?
The solution to (21x^2-168x)/(7x) is 3x-24