What is factor j^2+10j+21 ?

The solution to factor j^2+10j+21 is (j+3)(j+7)

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

factor j^2+10j+21

factor

j^{2} + 10 j + 21

(j + 3) (j + 7)

Solution steps

j^{2} + 10 j + 21

Break the expression into groups

= (j^{2} + 3 j) + (7 j + 21)

Factor out

j

from

j^{2} + 3 j : j (j + 3)

Factor out

7

from

7 j + 21 : 7 (j + 3)

= j (j + 3) + 7 (j + 3)

Factor out common term

j + 3

= (j + 3) (j + 7)

6 x^{5} - 22 x^{2} + 11 x - 126

4 x^{3} - 6 x^{2} + 1

9 x^{2} + 5 x = 0

x + \frac{x}{2} = - 9

8 z^{2} - 2 z - 1 = 0