What is (5x-45)/(20x^3) ?

The solution to (5x-45)/(20x^3) is (x-9)/(4x^3)

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simplify (5x-45)/(20x^3)

simplify

\frac{5 x - 45}{20 x ^{3}}

\frac{x - 9}{4 x ^{3}}

Solution steps

\frac{5 x - 45}{20 x ^{3}}

Factor

5 x - 45 : 5 (x - 9)

= \frac{5 ( x - 9 )}{20 x ^{3}}

Factor the number:

20 = 5 \cdot 4

= \frac{5 ( x - 9 )}{5 \cdot 4 x ^{3}}

Cancel the common factor:

5

= \frac{x - 9}{4 x ^{3}}

3^{2} (3^{- 2})

i e^{iπ}

x^{- 3}

28 \times 7

5^{l o g_{25} (49)}