en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

expand 2x^2(-x^2-7)

Solution

expand

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

Solution

- 2 x^{4} - 14 x^{2}

Solution steps

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

Apply the distributive law:

a (b - c) = ab - a c

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

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

Simplify

2 x^{2} (- x^{2}) - 2 x^{2} \cdot 7 : - 2 x^{4} - 14 x^{2}

= - 2 x^{4} - 14 x^{2}

Popular Examples

simplify-6x^5-1/8-x^3 simplify

- 6 x^{5} - \frac{1}{8} - x^{3}

simplify (x^5+x^3-2)/(x-1)simplify

\frac{x ^{5} + x ^{3} - 2}{x - 1}

simplify i^{175}simplify

i^{175}

expand (x^3-x^2+2x-1)(x^2-x+2)expand

(x^{3} - x^{2} + 2 x - 1) (x^{2} - x + 2)

simplify-10\times (-2)simplify

- 10 \times (- 2)

Frequently Asked Questions (FAQ)

What is expand 2x^2(-x^2-7) ?
The solution to expand 2x^2(-x^2-7) is -2x^4-14x^2