What is factor x^2+21x+108 ?

The solution to factor x^2+21x+108 is (x+9)(x+12)

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factor x^2+21x+108

factor

x^{2} + 21 x + 108

(x + 9) (x + 12)

Solution steps

x^{2} + 21 x + 108

Break the expression into groups

= (x^{2} + 9 x) + (12 x + 108)

Factor out

x

from

x^{2} + 9 x : x (x + 9)

Factor out

12

from

12 x + 108 : 12 (x + 9)

= x (x + 9) + 12 (x + 9)

Factor out common term

x + 9

= (x + 9) (x + 12)

2 w^{2} = 3 w + 2

(4 t^{3})^{2}

∣ x - 1 ∣ < ∣ x - 2 ∣ + ∣ x - 3 ∣

\frac{8 ! 4 !}{7 ! 2 !}

15 - 9