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) About Me  (Show Source):
You can put this solution on YOUR website!
We can let y = 5a-3 and we get a simpler-looking quadratic:




The quadratic factors:



We want to express in terms of a, not y, so we substitute: