en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (x-4)^2-9

Solution

simplify

(x - 4)^{2} - 9

Solution

x^{2} - 8 x + 7

Solution steps

(x - 4)^{2} - 9

Expand

(x - 4)^{2} : x^{2} - 8 x + 16

= x^{2} - 8 x + 16 - 9

Subtract the numbers:

16 - 9 = 7

= x^{2} - 8 x + 7

Popular Examples

factor 6x+18y-9z factor

6 x + 18 y - 9 z

simplify (3-2i)/(1+i)simplify

\frac{3 - 2 i}{1 + i}

simplify 51/85 simplify

\frac{51}{85}

simplify-3/7-11/49 simplify

- \frac{3}{7} - \frac{11}{49}

factor 2b^2-10b-48 factor

2 b^{2} - 10 b - 48

Frequently Asked Questions (FAQ)

What is (x-4)^2-9 ?
The solution to (x-4)^2-9 is x^2-8x+7