What is factor 8a^2-2a-15 ?

The solution to factor 8a^2-2a-15 is (4a+5)(2a-3)

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factor 8a^2-2a-15

factor

8 a^{2} - 2 a - 15

(4 a + 5) (2 a - 3)

Solution steps

8 a^{2} - 2 a - 15

Break the expression into groups

= (8 a^{2} + 10 a) + (- 12 a - 15)

Factor out

2 a

from

8 a^{2} + 10 a : 2 a (4 a + 5)

Factor out

- 3

from

- 12 a - 15 : - 3 (4 a + 5)

= 2 a (4 a + 5) - 3 (4 a + 5)

Factor out common term

4 a + 5

= (4 a + 5) (2 a - 3)

t^{2} - 16 t + 8 = 0

\frac{2 n - 3}{n + 1} \cdot \frac{2 n ^{2} + 5 n + 3}{9 - 4 n ^{2}}

b^{2} + 12 b + 27

\frac{v}{7} = 8

x^{2} - 17 x - 168