What is factor x^2-8x-128 ?

The solution to factor x^2-8x-128 is (x+8)(x-16)

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factor x^2-8x-128

factor

x^{2} - 8 x - 128

(x + 8) (x - 16)

Solution steps

x^{2} - 8 x - 128

Break the expression into groups

= (x^{2} + 8 x) + (- 16 x - 128)

Factor out

x

from

x^{2} + 8 x : x (x + 8)

Factor out

- 16

from

- 16 x - 128 : - 16 (x + 8)

= x (x + 8) - 16 (x + 8)

Factor out common term

x + 8

= (x + 8) (x - 16)

- 17 + 5

3 \frac{1}{4} \times 6

\frac{1}{5 - 2}

1 \div \frac{9}{2}

\frac{x + 4}{x + 2} + \frac{2 x + 7}{x + 2}