What is factor x^2-18-7x ?

The solution to factor x^2-18-7x is (x+2)(x-9)

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factor x^2-18-7x

factor

x^{2} - 18 - 7 x

(x + 2) (x - 9)

Solution steps

x^{2} - 18 - 7 x

Write in the standard form

= x^{2} - 7 x - 18

Break the expression into groups

= (x^{2} + 2 x) + (- 9 x - 18)

Factor out

x

from

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

Factor out

- 9

from

- 9 x - 18 : - 9 (x + 2)

= x (x + 2) - 9 (x + 2)

Factor out common term

x + 2

= (x + 2) (x - 9)

- 1 + 0

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