What is factor b^2-b-12 ?

The solution to factor b^2-b-12 is (b+3)(b-4)

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factor b^2-b-12

factor

b^{2} - b - 12

(b + 3) (b - 4)

Solution steps

b^{2} - b - 12

Break the expression into groups

= (b^{2} + 3 b) + (- 4 b - 12)

Factor out

b

from

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

Factor out

- 4

from

- 4 b - 12 : - 4 (b + 3)

= b (b + 3) - 4 (b + 3)

Factor out common term

b + 3

= (b + 3) (b - 4)

v^{2} - 8 v + 15 = 0

6 x = 2 x + 24

∣ x ∣ = x + 5

- \frac{2 x}{( x + 1 ) ^{2} ( x - 1 ) ^{2}} < 0

8 (x + 7) = 104