Question

2×+2-4×+3-5×-2
Quando da?

Answer 1

$\LARGE\tt{}2x + 2 - 4x + 3 - 5x - 2 \\ \LARGE\tt{}2x\cancel{ + 2} - 4x + 3 - 5x\cancel{ - 2} \\ \LARGE\tt{}2x - 4x + 3 - 5x \\\LARGE\tt{}(2 - 4 - 5)x \\ \LARGE\tt{} - 7x \\ \LARGE\tt{} \boxed{ - 7x + 3}$

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