What is factor x^2-8x+15 ?

The solution to factor x^2-8x+15 is (x-3)(x-5)

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factor x^2-8x+15

factor

x^{2} - 8 x + 15

(x - 3) (x - 5)

Solution steps

x^{2} - 8 x + 15

Break the expression into groups

= (x^{2} - 3 x) + (- 5 x + 15)

Factor out

x

from

x^{2} - 3 x : x (x - 3)

Factor out

- 5

from

- 5 x + 15 : - 5 (x - 3)

= x (x - 3) - 5 (x - 3)

Factor out common term

x - 3

= (x - 3) (x - 5)

2.4 = - \frac{t}{4.5}

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