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

49 x^{2}

Solution steps

(- 7 x)^{2}

Apply exponent rule:

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

if

n

is even

(- 7 x)^{2} = (7 x)^{2}

= (7 x)^{2}

Apply exponent rule:

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

(7 x)^{2} = 7^{2} x^{2}

= 7^{2} x^{2}

7^{2} = 49

= 49 x^{2}

Popular Examples

simplify sqrt(x^2)-9 simplify

x^{2} - 9

simplify-sqrt(2.25)simplify

- 2.25

simplify (-4+2i)^3 simplify

(- 4 + 2 i)^{3}

simplify (1^2)/3 simplify

\frac{1 ^{2}}{3}

simplify (x+8)^2-(x+8)-2 simplify

(x + 8)^{2} - (x + 8) - 2

Frequently Asked Questions (FAQ)

What is (-7x)^2 ?
The solution to (-7x)^2 is 49x^2