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Popular >

simplify x/7-2x^3-1

Solution

simplify

\frac{x}{7} - 2 x^{3} - 1

Solution

\frac{x - 14 x ^{3} - 7}{7}

Solution steps

\frac{x}{7} - 2 x^{3} - 1

Convert

2 x^{3}

to fraction

: \frac{14 x ^{3}}{7}

Convert

1

to fraction

: \frac{7}{7}

= \frac{x}{7} - \frac{14 x ^{3}}{7} - \frac{7}{7}

Apply the fraction rule:

\frac{a}{c} - \frac{b}{c} = \frac{a - b}{c}

= \frac{x - 14 x ^{3} - 7}{7}

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Frequently Asked Questions (FAQ)

What is x/7-2x^3-1 ?
The solution to x/7-2x^3-1 is (x-14x^3-7)/7