What is (7x^2-2x+5)+(2x^2+5x-4) ?

The solution to (7x^2-2x+5)+(2x^2+5x-4) is 9x^2+3x+1

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (7x^2-2x+5)+(2x^2+5x-4)

simplify

(7 x^{2} - 2 x + 5) + (2 x^{2} + 5 x - 4)

9 x^{2} + 3 x + 1

Solution steps

(7 x^{2} - 2 x + 5) + (2 x^{2} + 5 x - 4)

Simplify

(7 x^{2} - 2 x + 5) + (2 x^{2} + 5 x - 4) : 7 x^{2} - 2 x + 5 + 2 x^{2} + 5 x - 4

= 7 x^{2} - 2 x + 5 + 2 x^{2} + 5 x - 4

Group like terms

= 7 x^{2} + 2 x^{2} - 2 x + 5 x + 5 - 4

Add similar elements:

7 x^{2} + 2 x^{2} = 9 x^{2}

= 9 x^{2} - 2 x + 5 x + 5 - 4

Add similar elements:

- 2 x + 5 x = 3 x

= 9 x^{2} + 3 x + 5 - 4

Subtract the numbers:

5 - 4 = 1

= 9 x^{2} + 3 x + 1

\frac{8 m}{2 n ^{- 2}}

- 2 (6)

3 x \cdot 9

- 2 + 14

- 2 - 16

What is (7x^2-2x+5)+(2x^2+5x-4) ?
The solution to (7x^2-2x+5)+(2x^2+5x-4) is 9x^2+3x+1