What is factor n^2+11n+18 ?

The solution to factor n^2+11n+18 is (n+2)(n+9)

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factor n^2+11n+18

factor

n^{2} + 11 n + 18

(n + 2) (n + 9)

Solution steps

n^{2} + 11 n + 18

Break the expression into groups

= (n^{2} + 2 n) + (9 n + 18)

Factor out

n

from

n^{2} + 2 n : n (n + 2)

Factor out

9

from

9 n + 18 : 9 (n + 2)

= n (n + 2) + 9 (n + 2)

Factor out common term

n + 2

= (n + 2) (n + 9)

\frac{n ( n + 1 )}{2} = 210

\frac{2}{2 - x} \leq \frac{4}{x}

\frac{14}{51} \cdot \frac{3}{4}

4 (2 x - 2) = 8

x^{2} = \frac{1}{9}