Question 1 Alia and Meera were simplifying the expression (2x² + x) + 2(-x² + x) and obtained different
answers. Who is correct and why?
Meera
=(2x² + x) + 2(-x² + x)
=(2x² + x) + (-x? + x) + (-x2 + x)
= (2x2 - x - x?) + (x + x + x)
= 3x
Alia
= (2x² + x) + 2(-x2 + x)
= (2x? <) - 2x + x
= 2x

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