Which expression is equal to (x+2)(−3x2+3x+1)?
(x+2)(−3x^2+3x+1) { we can line this up just like regular addition as follows }
x (−3x^2+3x+1) = -3x^3 + 3x^2 + x
+ 2 (−3x^2+3x+1) = -6x^2 + 6x + 2
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3x^3 - 3x^2 + 7x + 2
