en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

expand (a-2)^2

Solution

expand

(a - 2)^{2}

Solution

a^{2} - 4 a + 4

Solution steps

(a - 2)^{2}

Apply Perfect Square Formula:

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

(a - 2)^{2} = a^{2} - 2 a \cdot 2 + 2^{2}

= a^{2} - 2 a \cdot 2 + 2^{2}

Simplify

a^{2} - 2 a \cdot 2 + 2^{2} : a^{2} - 4 a + 4

= a^{2} - 4 a + 4

Popular Examples

simplify 10^{log_{10}(6)}simplify

1 0^{l o g_{10} (6)}

expand (p-6)^2 expand

(p - 6)^{2}

1/2 \div (sqrt(3))/2

\frac{1}{2} \div \frac{3}{2}

expand (4+x)^2 expand

(4 + x)^{2}

simplify 7\times 3 simplify

7 \times 3

Frequently Asked Questions (FAQ)

What is expand (a-2)^2 ?
The solution to expand (a-2)^2 is a^2-4a+4