What is factor x^2+3x-5x-15 ?

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

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factor x^2+3x-5x-15

factor

x^{2} + 3 x - 5 x - 15

(x + 3) (x - 5)

Solution steps

x^{2} + 3 x - 5 x - 15

Add similar elements:

3 x - 5 x = - 2 x

= x^{2} - 2 x - 15

Break the expression into groups

= (x^{2} + 3 x) + (- 5 x - 15)

Factor out

x

from

x^{2} + 3 x : x (x + 3)

Factor out

- 5

from

- 5 x - 15 : - 5 (x + 3)

= x (x + 3) - 5 (x + 3)

Factor out common term

x + 3

= (x + 3) (x - 5)

4 x + \frac{1}{4} (16 x - 20 y)

\frac{10 + 15 i}{- 2 i}

\frac{- 9}{9}

(3 a + b) (3 a - b)

1 0^{2} + 4^{2}