What is 3x^2-4x+3-(7x^2+4x-4) ?

The solution to 3x^2-4x+3-(7x^2+4x-4) is -4x^2-8x+7

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify 3x^2-4x+3-(7x^2+4x-4)

simplify

3 x^{2} - 4 x + 3 - (7 x^{2} + 4 x - 4)

- 4 x^{2} - 8 x + 7

Solution steps

3 x^{2} - 4 x + 3 - (7 x^{2} + 4 x - 4)

Apply the distributive law:

- (a + b) = - a - b

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

= 3 x^{2} - 4 x + 3 - 7 x^{2} - 4 x + 4

Group like terms

= 3 x^{2} - 7 x^{2} - 4 x - 4 x + 3 + 4

Add similar elements:

3 x^{2} - 7 x^{2} = - 4 x^{2}

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

Add similar elements:

- 4 x - 4 x = - 8 x

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

Add the numbers:

3 + 4 = 7

= - 4 x^{2} - 8 x + 7

3 x^{2} - 8 x + 4.2 x^{2} - 5 x + 2 x^{4} - 8 x h

\frac{( x ^{n} )}{( 2 ^{n} + ( - 3 ) ^{n} )}

5 x (∣ - 8 ∣ \cdot 4)

y^{2} + 18 y + 65

(2 y + 8)^{2} (2 y)^{2}

What is 3x^2-4x+3-(7x^2+4x-4) ?
The solution to 3x^2-4x+3-(7x^2+4x-4) is -4x^2-8x+7