What is factor k^2-22k-23 ?

The solution to factor k^2-22k-23 is (k+1)(k-23)

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factor k^2-22k-23

factor

k^{2} - 22 k - 23

(k + 1) (k - 23)

Solution steps

k^{2} - 22 k - 23

Break the expression into groups

= (k^{2} + k) + (- 23 k - 23)

Factor out

k

from

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

Factor out

- 23

from

- 23 k - 23 : - 23 (k + 1)

= k (k + 1) - 23 (k + 1)

Factor out common term

k + 1

= (k + 1) (k - 23)

5 i (2 + 3 i) + 4 (6 - 2 i)

2 x^{2} = - 6 x - 4

- 6 (5 - x) < 30

\frac{2 ! 8 !}{4 ! 6 !}

(2 s^{3} t^{- 1}) (\frac{1}{4} s^{6}) (16 t^{4})