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x2 + x2 = 2x2
x2 + x2 = 2x2
The answer would be 3x if 'X2' is '2x', but if 'X2' is x2, then the total answer would be x2 + x.
4x2 + x2 = 8 + x2
I am assuming that in this question x2 refers to x2 since otherwise the second term "x2" makes no sense. Then 3x2/x2 = 3.