What is x^2(x^2-1)-9(x^2-1) ?

The solution to x^2(x^2-1)-9(x^2-1) is x^4-10x^2+9

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify x^2(x^2-1)-9(x^2-1)

simplify

x^{2} (x^{2} - 1) - 9 (x^{2} - 1)

x^{4} - 10 x^{2} + 9

Solution steps

x^{2} (x^{2} - 1) - 9 (x^{2} - 1)

Expand

x^{2} (x^{2} - 1) : x^{4} - x^{2}

= x^{4} - x^{2} - 9 (x^{2} - 1)

Expand

- 9 (x^{2} - 1) : - 9 x^{2} + 9

= x^{4} - x^{2} - 9 x^{2} + 9

Add similar elements:

- x^{2} - 9 x^{2} = - 10 x^{2}

= x^{4} - 10 x^{2} + 9

b a^{2} \cdot a b^{2}

3 r^{8} - 6 t^{4}

12 n^{2} - 20 n - 24

(7 a^{5} b^{6})^{4}

- 3 (7 n + 5 n + 8) - 8 n

What is x^2(x^2-1)-9(x^2-1) ?
The solution to x^2(x^2-1)-9(x^2-1) is x^4-10x^2+9