simplify 3/(x^{-4)}

Solution

simplify

\frac{3}{x ^{- 4}}

3 x^{4}

Solution steps

\frac{3}{x ^{- 4}}

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

x^{- 4} = \frac{1}{x ^{4}}

= \frac{3}{\frac{1}{x ^{4}}}

Apply the fraction rule:

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

= \frac{3 x ^{4}}{1}

Apply the fraction rule:

\frac{a}{1} = a

= 3 x^{4}

3 cos^{2} (x) + 3 sin^{2} (x)

(- 3 a + 5 b) + (10 a - 14 b)

(x^{2} - 3 x + 9) (x + 3)

\frac{- 20}{2}

\frac{y ^{7}}{y ^{21}}