Question 1053371
1. 3xy^2 - 48x = 3x(y^2 - 16) = 3x(y+4)(y-4)
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2. Special Factoring:  Sum of 2 Cubes
a^3 + b^3 = (a + b)(a^2 – ab + b^2) 
(cd)^3 + 3^2 = ...