en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

expand (2r^2-5)(3r)

Solution

expand

(2 r^{2} - 5) (3 r)

Solution

6 r^{3} - 15 r

Solution steps

(2 r^{2} - 5) (3 r)

= (3 r) (2 r^{2} - 5)

Apply the distributive law:

a (b - c) = ab - a c

(3 r) (2 r^{2} - 5) = 3 r \cdot 2 r^{2} - 3 r \cdot 5

= 3 r \cdot 2 r^{2} - 3 r \cdot 5

Simplify

3 r \cdot 2 r^{2} - 3 r \cdot 5 : 6 r^{3} - 15 r

= 6 r^{3} - 15 r

Popular Examples

expand (2-x^3)^2 expand

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

simplify \sqrt[7]{78125}simplify

simplify-6x^{-3}simplify

- 6 x^{- 3}

simplify 4sqrt(200)simplify

4200

factor 4x^2+20x+21 factor

4 x^{2} + 20 x + 21

Frequently Asked Questions (FAQ)

What is expand (2r^2-5)(3r) ?
The solution to expand (2r^2-5)(3r) is 6r^3-15r