What is factor x^2+9x+18 ?

The solution to factor x^2+9x+18 is (x+3)(x+6)

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factor x^2+9x+18

factor

x^{2} + 9 x + 18

(x + 3) (x + 6)

Solution steps

x^{2} + 9 x + 18

Break the expression into groups

= (x^{2} + 3 x) + (6 x + 18)

Factor out

x

from

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

Factor out

6

from

6 x + 18 : 6 (x + 3)

= x (x + 3) + 6 (x + 3)

Factor out common term

x + 3

= (x + 3) (x + 6)

6 y^{2} (y^{2} + 6 y + 9)

\frac{\frac{1}{x} + \frac{1}{y}}{x + y}

u^{2} - 4 u + 3

15 - x = - 8

x^{4} - 7 x^{2} - 18 < 0