What is factor 2n^2-n-15 ?

The solution to factor 2n^2-n-15 is (2n+5)(n-3)

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factor 2n^2-n-15

factor

2 n^{2} - n - 15

(2 n + 5) (n - 3)

Solution steps

2 n^{2} - n - 15

Break the expression into groups

= (2 n^{2} + 5 n) + (- 6 n - 15)

Factor out

n

from

2 n^{2} + 5 n : n (2 n + 5)

Factor out

- 3

from

- 6 n - 15 : - 3 (2 n + 5)

= n (2 n + 5) - 3 (2 n + 5)

Factor out common term

2 n + 5

= (2 n + 5) (n - 3)

3 (x + 3)^{2} - 81 = 0

6 x - 64 = 2 x + 44

\frac{10}{x} > 6

2 h = 42

a^{2} + 1 2^{2} = 1 3^{2}