Question 282391
what is the factorization of 9x^4 - 3x^2? 
I came up with the answer being..3x^2(x2 - 3). Just wanted to make sure this is right.
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3x^2(x2 - 3) = 3x^4 - 9x^2, not the same
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{{{9x^4 - 3x^2 = 3x^2(3x^2 - 1)}}}