What is factor a^2-17a+72 ?

The solution to factor a^2-17a+72 is (a-8)(a-9)

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factor a^2-17a+72

factor

a^{2} - 17 a + 72

(a - 8) (a - 9)

Solution steps

a^{2} - 17 a + 72

Break the expression into groups

= (a^{2} - 8 a) + (- 9 a + 72)

Factor out

a

from

a^{2} - 8 a : a (a - 8)

Factor out

- 9

from

- 9 a + 72 : - 9 (a - 8)

= a (a - 8) - 9 (a - 8)

Factor out common term

a - 8

= (a - 8) (a - 9)

81 a^{6} - 4 b^{2} c^{8}

\frac{1}{2} - \frac{1}{8} q = \frac{q - 1}{4}

x^{3} - 3 x^{2} - 9 x + 27 < 0

6 (r - 2) = 2 r + 8

18 m^{2} n^{4} - 12 m^{2} n^{3} + 24 m^{2} n^{2}