What is factor x^2-9x+20 ?

The solution to factor x^2-9x+20 is (x-4)(x-5)

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factor x^2-9x+20

factor

x^{2} - 9 x + 20

(x - 4) (x - 5)

Solution steps

x^{2} - 9 x + 20

Break the expression into groups

= (x^{2} - 4 x) + (- 5 x + 20)

Factor out

x

from

x^{2} - 4 x : x (x - 4)

Factor out

- 5

from

- 5 x + 20 : - 5 (x - 4)

= x (x - 4) - 5 (x - 4)

Factor out common term

x - 4

= (x - 4) (x - 5)

5 x - 6 \leq x - 2

\frac{1}{6} > 0.166667

75 + x = 90

4 x^{2} = 49

2000 = 37