12x^2 + 9 = 24x how do i solve this

need to see problem worked out
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1 Answer

This can be written 12x^2-24x+9=0 (standard quadratic form).

Factorise:

3(4x^2-8x+3)=0

3(2x-3)(2x-1)=0

So 2x-3=0, 2x=3, x=3/2; or 2x-1=0, 2x=1, x=1/2.
by Top Rated User (1.2m points)

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