What is factor x^2-14x-15 ?

The solution to factor x^2-14x-15 is (x+1)(x-15)

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factor x^2-14x-15

factor

x^{2} - 14 x - 15

(x + 1) (x - 15)

Solution steps

x^{2} - 14 x - 15

Break the expression into groups

= (x^{2} + x) + (- 15 x - 15)

Factor out

x

from

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

Factor out

- 15

from

- 15 x - 15 : - 15 (x + 1)

= x (x + 1) - 15 (x + 1)

Factor out common term

x + 1

= (x + 1) (x - 15)

- 2 (\frac{3}{5})^{0}

12 b - 15 > 21

\frac{6}{7} - \frac{4}{5}

30 (25 - 15)

6 b < 24 or 4 b + 12 > 4