What is factor 15b^2-7b-2 ?

The solution to factor 15b^2-7b-2 is (5b+1)(3b-2)

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factor 15b^2-7b-2

factor

15 b^{2} - 7 b - 2

(5 b + 1) (3 b - 2)

Solution steps

15 b^{2} - 7 b - 2

Break the expression into groups

= (15 b^{2} + 3 b) + (- 10 b - 2)

Factor out

3 b

from

15 b^{2} + 3 b : 3 b (5 b + 1)

Factor out

- 2

from

- 10 b - 2 : - 2 (5 b + 1)

= 3 b (5 b + 1) - 2 (5 b + 1)

Factor out common term

5 b + 1

= (5 b + 1) (3 b - 2)

(x - 1) (x - 3) (x - 5) < 0

5 \cdot 1 0^{6}

- \frac{32}{( 4 ) ^{3}} + \frac{4}{( 4 ) ^{2}}

2 x^{2} + 7 x - 9 = 0

(3 - \frac{2}{9})^{- 1}