What is factor s^2-8s-9 ?

The solution to factor s^2-8s-9 is (s+1)(s-9)

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factor s^2-8s-9

factor

s^{2} - 8 s - 9

(s + 1) (s - 9)

Solution steps

s^{2} - 8 s - 9

Break the expression into groups

= (s^{2} + s) + (- 9 s - 9)

Factor out

s

from

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

Factor out

- 9

from

- 9 s - 9 : - 9 (s + 1)

= s (s + 1) - 9 (s + 1)

Factor out common term

s + 1

= (s + 1) (s - 9)

∣ x + 4 ∣ \leq 4

- 5 < 5 - w

x^{3} + 2 x^{2} y - x - 2 y

- 6 x - 20 = 1 - 3 x

(x - 1) (x + 1) = 2 (x^{2} - 3)