What is factor 8a^2-14a-15 ?

The solution to factor 8a^2-14a-15 is (4a+3)(2a-5)

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factor 8a^2-14a-15

factor

8 a^{2} - 14 a - 15

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

Solution steps

8 a^{2} - 14 a - 15

Break the expression into groups

= (8 a^{2} + 6 a) + (- 20 a - 15)

Factor out

2 a

from

8 a^{2} + 6 a : 2 a (4 a + 3)

Factor out

- 5

from

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

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

Factor out common term

4 a + 3

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

(x - 4)^{2} (16 - 2 x) > 0

a + b

- 6 x^{6} = 2 x - 9

\frac{7}{x + 3} > - 5

4 x - 3 (2 x + 1) \leq 4 (x - 3)