The commutative property of multiplication states that the order of multiplication is unimportant. Because of this property x2 and 2x are the same. This allows us to rearrange the problem to become 2x + 2x + 1. In this expression we then combine the like terms with x's to become 4x + 1. At this point the expression is now simplified since we cannot combine the 4x and the 1 any further.
Answer: 4x + 1
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(3x4 + 2x3 - x2 - x - 6)/(x2 + 1)= 3x2 + 2x - 4 + (-3x - 2)/(x2 + 1)= 3x2 + 2x - 4 - (3x + 2)/(x2 + 1)where the quotient is 3x2 + 2x - 4 and the remainder is -(3x + 2).
(x + 3)(x - 1)
-x2 + 2x + 48 = (-x - 6)(x - 8)
2/x + 1/x2 = (2x+1)/x2
The answer would be 3x if 'X2' is '2x', but if 'X2' is x2, then the total answer would be x2 + x.