factor
posted by mike .
Factor 3x^2  4x + 1
these aswell
x^2  16
x^2– 6x + 9
a^2 2ab + b^ 2
x^2+ 6x 16
x^2– 6x 16
(3x +a )(x +a )
3a +a= 4, so what is a?
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