36
6m + m + m + 4y + n + y + 12 + 2nGroup like terms:6m + m + m + 2n + n + 4y + y + 12Add:8m + 3n + 5y + 12
The division of a positive number by another positive number yields another positive number, because that's how numbers work; if you have trouble with the concept, go back to basics, and imagine that...
6+7a+6b
x3y2 + 7x2y3 + 7xy - 2 + x2y3 + 8x3y2 - 3xy - 7 = 9x3y2 + 8x2y3 + 4xy - 9 = xy ( 9x2y + 8xy2 + 4) - 9 = xy ( xy(9x + 8y) + 4) - 9 . This is still messy, but it's simpler than the octonomial in the...