Question

3) 1 (4×+5) +2 (1×-9​

Answer 1

Olá

$\LARGE\tt{}1(4x + 5) + 2(1x - 9) \\ \LARGE\tt{}1(4x + 5) + 2(x - 9) \\ \LARGE\tt{}(4x + 5) + 2(x - 9) \\ \LARGE\tt{}4x + 5 + 2(x - 9) \\ \LARGE\tt{}4x + 5 + 2x - 18 \\ \LARGE\tt{}6x + 5 - 18 \\ {\large\boxed{\boxed{  { \LARGE \tt 6x - 13 }}}}$

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