What is factor 5x^2+31x-28 ?

The solution to factor 5x^2+31x-28 is (5x-4)(x+7)

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

factor 5x^2+31x-28

factor

5 x^{2} + 31 x - 28

(5 x - 4) (x + 7)

Solution steps

5 x^{2} + 31 x - 28

Break the expression into groups

= (5 x^{2} - 4 x) + (35 x - 28)

Factor out

x

from

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

Factor out

7

from

35 x - 28 : 7 (5 x - 4)

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

Factor out common term

5 x - 4

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

x^{2} = 13 + 6 x

{6 + [9 - (- 5 + 10) + (7 - 3)] + [(- 3) - (- 12) + 13]}

\frac{1}{2 + \frac{1}{1 + \frac{1}{2}}}

8 = 14 n

- (7)^{- 2}