What is factor x^2-15x-100 ?

The solution to factor x^2-15x-100 is (x+5)(x-20)

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factor x^2-15x-100

factor

x^{2} - 15 x - 100

(x + 5) (x - 20)

Solution steps

x^{2} - 15 x - 100

Break the expression into groups

= (x^{2} + 5 x) + (- 20 x - 100)

Factor out

x

from

x^{2} + 5 x : x (x + 5)

Factor out

- 20

from

- 20 x - 100 : - 20 (x + 5)

= x (x + 5) - 20 (x + 5)

Factor out common term

x + 5

= (x + 5) (x - 20)

- 6 v^{2} - 7 v - 2 = 0

\frac{6}{1 + 2}

∣ 5 ∣ - 7

a^{2} = 289

∣ 4 x - 6 ∣ + 2 \geq 7