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Popular >

simplify (-3a)^3

Solution

simplify

(- 3 a)^{3}

Solution

- 27 a^{3}

Solution steps

(- 3 a)^{3}

Apply exponent rule:

(- a)^{n} = - a^{n},

if

n

is odd

(- 3 a)^{3} = - (3 a)^{3}

= - (3 a)^{3}

Apply exponent rule:

(a \cdot b)^{n} = a^{n} b^{n}

(3 a)^{3} = 3^{3} a^{3}

= - 3^{3} a^{3}

3^{3} = 27

= - 27 a^{3}

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Frequently Asked Questions (FAQ)

What is (-3a)^3 ?
The solution to (-3a)^3 is -27a^3