What is factor b^2-3b-18 ?

The solution to factor b^2-3b-18 is (b+3)(b-6)

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factor b^2-3b-18

factor

b^{2} - 3 b - 18

(b + 3) (b - 6)

Solution steps

b^{2} - 3 b - 18

Break the expression into groups

= (b^{2} + 3 b) + (- 6 b - 18)

Factor out

b

from

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

Factor out

- 6

from

- 6 b - 18 : - 6 (b + 3)

= b (b + 3) - 6 (b + 3)

Factor out common term

b + 3

= (b + 3) (b - 6)

4 x + 6 x = 9 x

5 x^{2} - 3 x - 8

2 a + 5 = 5

- x < - x + 7 (x - 2)

6^{2}