What is factor 7x^2-31x-20 ?

The solution to factor 7x^2-31x-20 is (7x+4)(x-5)

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

factor 7x^2-31x-20

factor

7 x^{2} - 31 x - 20

(7 x + 4) (x - 5)

Solution steps

7 x^{2} - 31 x - 20

Break the expression into groups

= (7 x^{2} + 4 x) + (- 35 x - 20)

Factor out

x

from

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

Factor out

- 5

from

- 35 x - 20 : - 5 (7 x + 4)

= x (7 x + 4) - 5 (7 x + 4)

Factor out common term

7 x + 4

= (7 x + 4) (x - 5)

(5^{3})^{\frac{1}{8}}

- 17 + \frac{q}{8} = 13

(- 9)^{2}

2.8 x + 4 \leq - x - 2.1 (- 2 x - 4)

\frac{b}{5} - 4 = 0