en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

expand (x-2)(x+9)

Solution

expand

(x - 2) (x + 9)

Solution

x^{2} + 7 x - 18

Solution steps

(x - 2) (x + 9)

Apply FOIL method

(x - 2) (x + 9) : x^{2} + 7 x - 18

= x^{2} + 7 x - 18

Popular Examples

simplify (x^2-49)/(x-7)simplify

\frac{x ^{2} - 49}{x - 7}

simplify (3^{n+4}-3(3)^{n-1})/(3(3^{n+2))}simplify

\frac{3 ^{n + 4} - 3 ( 3 ) ^{n - 1}}{3 ( 3 ^{n + 2} )}

simplify (a^2+b^2)^2-(a^2-b^2)^2 simplify

(a^{2} + b^{2})^{2} - (a^{2} - b^{2})^{2}

simplify cos(x)(cos(x))simplify

cos (x) (cos (x))

expand (3x-5)(2x+1)expand

(3 x - 5) (2 x + 1)

Frequently Asked Questions (FAQ)

What is expand (x-2)(x+9) ?
The solution to expand (x-2)(x+9) is x^2+7x-18