What is factor 2a^2-7a-4 ?

The solution to factor 2a^2-7a-4 is (2a+1)(a-4)

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factor 2a^2-7a-4

factor

2 a^{2} - 7 a - 4

(2 a + 1) (a - 4)

Solution steps

2 a^{2} - 7 a - 4

Break the expression into groups

= (2 a^{2} + a) + (- 8 a - 4)

Factor out

a

from

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

Factor out

- 4

from

- 8 a - 4 : - 4 (2 a + 1)

= a (2 a + 1) - 4 (2 a + 1)

Factor out common term

2 a + 1

= (2 a + 1) (a - 4)

- 248 u^{2} - 15400 u + 1012800 = 13200 (40 + u)

0.8097840332 = \frac{y}{57}

- \frac{16}{9} = - \frac{4}{3} (\frac{5}{3} + n)

- 9 a^{4} + 6 a^{3} - 3 a^{2}

216 b^{2} - 150