SOLUTION: factor completly a^2-11a+18

Question 68893: factor completly
a^2-11a+18
Found 2 solutions by stanbon, rmromero:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
factor completly
a^2-11a+18
=(a-9)(a-2)
Answer by rmromero(383) (Show Source): You can put this solution on YOUR website!
factor completly
a^2-11a+18

Factors of a Factors of -18 Possible Sum of outer Binomial Factors and inner products a, a -18,-1 (a - 18)(a - 1) -19a 18, 1 (a + 18)(a + 1) 19a -9,-2 (a - 9)(a - 2) -11a Correct middle term 9, 2 (a + 9)(a + 2) 11a -6,-3 (a - 6)(a - 3) -9a 6, 3 (a + 6)(a + 3) 9a Therefore the factor of a^2 - 11a + 18 is
(a - 9)(a - 2)

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