What is factor 4x^2-7x-15 ?

The solution to factor 4x^2-7x-15 is (4x+5)(x-3)

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

factor 4x^2-7x-15

factor

4 x^{2} - 7 x - 15

(4 x + 5) (x - 3)

Solution steps

4 x^{2} - 7 x - 15

Break the expression into groups

= (4 x^{2} + 5 x) + (- 12 x - 15)

Factor out

x

from

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

Factor out

- 3

from

- 12 x - 15 : - 3 (4 x + 5)

= x (4 x + 5) - 3 (4 x + 5)

Factor out common term

4 x + 5

= (4 x + 5) (x - 3)

4 < \frac{3 x - 10}{x + 7} < 24

8 ln (1)

\frac{x + 1}{x} < 1

7 = - 7 - y

\frac{6 x + 1}{4} \leq x + 1