SOLUTION: factor completely
(5a-3)^2 -6(5a-3)+9
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Question 464766: factor completely
(5a-3)^2 -6(5a-3)+9
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
We can let y = 5a-3 and we get a simpler-looking quadratic:
^2 - 6(5a-3) + 9 = y^2 - 6y + 9)
The quadratic factors:
(y-3))
We want to express in terms of a, not y, so we substitute:
-3)((5a-3)-3) = (5a-6)(5a-6))
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