Posted by mike on Monday, December 6, 2010 at 5:29pm.
1) 27x^3+8
2) 3x^2x4

algebra  bobpursley, Monday, December 6, 2010 at 5:38pm
The first is the sum of two cubes, you have a formula for that.
The second:
(3x 4)(x +1)

algebra  Damon, Monday, December 6, 2010 at 5:39pm
a^3 + b^3 = (a+b)(a^2ab+b^2)
here
a = 3x
b = 2
You take it from there
(3x4)(x+1)
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