What is factor 3x^2-4x-15 ?

The solution to factor 3x^2-4x-15 is (3x+5)(x-3)

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

factor 3x^2-4x-15

factor

3 x^{2} - 4 x - 15

(3 x + 5) (x - 3)

Solution steps

3 x^{2} - 4 x - 15

Break the expression into groups

= (3 x^{2} + 5 x) + (- 9 x - 15)

Factor out

x

from

3 x^{2} + 5 x : x (3 x + 5)

Factor out

- 3

from

- 9 x - 15 : - 3 (3 x + 5)

= x (3 x + 5) - 3 (3 x + 5)

Factor out common term

3 x + 5

= (3 x + 5) (x - 3)

x^{3} - 2 x + 1

4 x^{(3)} + 8 x^{(2)} - x - 2

4 (a + b)^{2} + 11 (a + b) - 3

- \frac{\frac{16}{49}}{( - \frac{4}{35} )}

7.5