What is (6x^2+3x-9)-(-2x^2+4x-1) ?

The solution to (6x^2+3x-9)-(-2x^2+4x-1) is 8x^2-x-8

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify (6x^2+3x-9)-(-2x^2+4x-1)

simplify

(6 x^{2} + 3 x - 9) - (- 2 x^{2} + 4 x - 1)

8 x^{2} - x - 8

Solution steps

(6 x^{2} + 3 x - 9) - (- 2 x^{2} + 4 x - 1)

Apply rule:

(a) = a

(6 x^{2} + 3 x - 9) = 6 x^{2} + 3 x - 9

= 6 x^{2} + 3 x - 9 - (- 2 x^{2} + 4 x - 1)

Apply the distributive law:

- (- a + b) = a - b

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

= 6 x^{2} + 3 x - 9 + 2 x^{2} - 4 x + 1

Group like terms

= 6 x^{2} + 2 x^{2} + 3 x - 4 x - 9 + 1

Add similar elements:

6 x^{2} + 2 x^{2} = 8 x^{2}

= 8 x^{2} + 3 x - 4 x - 9 + 1

Add similar elements:

3 x - 4 x = - x

= 8 x^{2} - x - 9 + 1

Add the numbers:

- 9 + 1 = - 8

= 8 x^{2} - x - 8

(- 3 + 5 i) (- 5 + 7 i)

(A + B)^{3}

\frac{14 - 8 i}{- 6 - 4 i}

\frac{22}{6}

150 \cdot 96

What is (6x^2+3x-9)-(-2x^2+4x-1) ?
The solution to (6x^2+3x-9)-(-2x^2+4x-1) is 8x^2-x-8