en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 7x^{-2}

Solution

simplify

7 x^{- 2}

Solution

\frac{7}{x ^{2}}

Solution steps

7 x^{- 2}

Apply exponent rule:

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

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

= 7 \cdot \frac{1}{x ^{2}}

Apply the fraction rule:

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

= \frac{7 \cdot 1}{x ^{2}}

Multiply the numbers:

7 \cdot 1 = 7

= \frac{7}{x ^{2}}

Popular Examples

simplify 4/3*3.14*8^3 simplify

\frac{4}{3} \cdot 3.14 \cdot 8^{3}

simplify 5/6-1/12 simplify

\frac{5}{6} - \frac{1}{12}

expand (x^3+5)^2 expand

(x^{3} + 5)^{2}

simplify 1/2+1/4+1/5 simplify

\frac{1}{2} + \frac{1}{4} + \frac{1}{5}

simplify 1/2+5/7 simplify

\frac{1}{2} + \frac{5}{7}

Frequently Asked Questions (FAQ)

What is 7x^{-2} ?
The solution to 7x^{-2} is 7/(x^2)