What is factor x^2+2x-99 ?

The solution to factor x^2+2x-99 is (x-9)(x+11)

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factor x^2+2x-99

factor

x^{2} + 2 x - 99

(x - 9) (x + 11)

Solution steps

x^{2} + 2 x - 99

Break the expression into groups

= (x^{2} - 9 x) + (11 x - 99)

Factor out

x

from

x^{2} - 9 x : x (x - 9)

Factor out

11

from

11 x - 99 : 11 (x - 9)

= x (x - 9) + 11 (x - 9)

Factor out common term

x - 9

= (x - 9) (x + 11)

6 x + 5 = 20

(1 + i) (3 - 5 i)

x^{2} - 3 x + 4 = 4

7 x^{2} - 14 x

- 2 < - 2 y + 13 < 10