What is 2(-2x-2)^2-5(-2x-2)+15 ?

The solution to 2(-2x-2)^2-5(-2x-2)+15 is 8x^2+26x+33

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 2(-2x-2)^2-5(-2x-2)+15

simplify

2 (- 2 x - 2)^{2} - 5 (- 2 x - 2) + 15

8 x^{2} + 26 x + 33

Solution steps

2 (- 2 x - 2)^{2} - 5 (- 2 x - 2) + 15

Expand

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

= 8 x^{2} + 16 x + 8 - 5 (- 2 x - 2) + 15

Expand

- 5 (- 2 x - 2) : 10 x + 10

= 8 x^{2} + 16 x + 8 + 10 x + 10 + 15

Group like terms

= 8 x^{2} + 16 x + 10 x + 8 + 10 + 15

Add similar elements:

16 x + 10 x = 26 x

= 8 x^{2} + 26 x + 8 + 10 + 15

Add the numbers:

8 + 10 + 15 = 33

= 8 x^{2} + 26 x + 33

\frac{1}{2} \cdot \frac{7}{3}

\frac{15 w ^{6}}{- 3 ( w ^{4} ) ^{4}}

\frac{x - 1}{1 - \frac{1}{x}}

\frac{875}{1000}

(2 x^{2} + y^{3}) (2 x^{2} - y^{3})

What is 2(-2x-2)^2-5(-2x-2)+15 ?
The solution to 2(-2x-2)^2-5(-2x-2)+15 is 8x^2+26x+33