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Popular >

simplify (3x)^{-2}

Solution

simplify

(3 x)^{- 2}

Solution

\frac{1}{9 x ^{2}}

Solution steps

(3 x)^{- 2}

Apply exponent rule:

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

(3 x)^{- 2} = \frac{1}{( 3 x ) ^{2}}

= \frac{1}{( 3 x ) ^{2}}

Simplify

(3 x)^{2} : 9 x^{2}

= \frac{1}{9 x ^{2}}

Popular Examples

factor 12x^2-36xy+27y^2 factor

12 x^{2} - 36 x y + 27 y^{2}

22 = - 11 k

factor 8x^2-30x+25 factor

8 x^{2} - 30 x + 25

factor 9-w^2-(3-w)^2 factor

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

5 x^{2} + 5 x + 4 = 0

Frequently Asked Questions (FAQ)

What is (3x)^{-2} ?
The solution to (3x)^{-2} is 1/(9x^2)