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posted by Melody Thursday, October 27, 2011 at 2:23am.
Factor completely: 54+16x^3
54 + 16x^3 2(8x^3 + 27) then recall the how we factor sum of two cubes: a^3 + b^3 = (a+b)(a^2 - ab + b^2) therefore, 2(2x+3)(4x^2 - 6x + 9) hope this helps~ :)
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