What is 3(x-1)^2-4(x-1)-12 ?

The solution to 3(x-1)^2-4(x-1)-12 is 3x^2-10x-5

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 3(x-1)^2-4(x-1)-12

simplify

3 (x - 1)^{2} - 4 (x - 1) - 12

3 x^{2} - 10 x - 5

Solution steps

3 (x - 1)^{2} - 4 (x - 1) - 12

Expand

3 (x - 1)^{2} : 3 x^{2} - 6 x + 3

= 3 x^{2} - 6 x + 3 - 4 (x - 1) - 12

Expand

- 4 (x - 1) : - 4 x + 4

= 3 x^{2} - 6 x + 3 - 4 x + 4 - 12

Group like terms

= 3 x^{2} - 6 x - 4 x + 3 + 4 - 12

Add similar elements:

- 6 x - 4 x = - 10 x

= 3 x^{2} - 10 x + 3 + 4 - 12

Add the numbers:

3 + 4 - 12 = - 5

= 3 x^{2} - 10 x - 5

\frac{1}{1 + x ^{2}} + 1

(x^{2} - 2 y)^{4}

(4 r - 3 u - 6 t) + (3 r + 5 u + 2 t)

- 1. 8^{2}

44 + 99