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Please help me. Factor. 25x^2+90x+81

Please help me. Factor. 25x^2+90x+81
78.3k views
1 vote
Please help me.
Factor.
25x^2+90x+81

User JulienCoo
by
7.7k points

1 Answer

4 votes
This is a special product factorization.
If the first term is a perfect square, the last term is a perfect square, and the middle term is twice the product of their square roots then you get the form
(a + b)^2.
SO....(5x + 9)^2 or (5x +9)(5x +9)
User Abhijeet Singh
by
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