What is factor x^2-9x+8 ?

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

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factor x^2-9x+8

factor

x^{2} - 9 x + 8

(x - 1) (x - 8)

Solution steps

x^{2} - 9 x + 8

Break the expression into groups

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

Factor out

x

from

x^{2} - x : x (x - 1)

Factor out

- 8

from

- 8 x + 8 : - 8 (x - 1)

= x (x - 1) - 8 (x - 1)

Factor out common term

x - 1

= (x - 1) (x - 8)

x^{2} + 3 x - 4 < 0

6 (2 x - 1) (2 x + 1) - 3 (2 x - 1)^{2}

6 a^{2} - ab - 15 b^{2}

b^{3} - \frac{1}{64}

3.2 x^{2} + 7 x - 21 = 0