Question

simplify the equations and find its value with (a = 5 and b = -3)

2(a×5+ab)+3-ab

Answer 1

$2(5 \times 5 + 5 \times - 3) + 3 - 5 \times - 3 \\ 2(25 + 15) - 2 \times - 3 \\ 2(40) \times - 6 \\ 80 \times - 6 \\ - 48$