What is factor 4a^2-8a-5 ?

The solution to factor 4a^2-8a-5 is (2a+1)(2a-5)

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factor 4a^2-8a-5

factor

4 a^{2} - 8 a - 5

(2 a + 1) (2 a - 5)

Solution steps

4 a^{2} - 8 a - 5

Break the expression into groups

= (4 a^{2} + 2 a) + (- 10 a - 5)

Factor out

2 a

from

4 a^{2} + 2 a : 2 a (2 a + 1)

Factor out

- 5

from

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

= 2 a (2 a + 1) - 5 (2 a + 1)

Factor out common term

2 a + 1

= (2 a + 1) (2 a - 5)

\frac{18 x ^{2} y}{2 y ^{3}}

f = - 2 (- 2) - 3

x^{2} + 15 x + 26

- 3 u - 14 > 3 u + 16

- 5 a - 12 < - 18