Factor by Grouping 4x^2-12x+9

Math
4×2-12x+9
Rewrite 4×2 as (2x)2.
(2x)2-12x+9
Rewrite 9 as 32.
(2x)2-12x+32
Check the middle term by multiplying 2ab and compare this result with the middle term in the original expression.
2ab=2⋅(2x)⋅-3
Simplify.
2ab=-12x
Factor using the perfect square trinomial rule a2-2ab+b2=(a-b)2, where a=2x and b=-3.
(2x-3)2
Factor by Grouping 4x^2-12x+9

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