The correct answer is 6+x-y.
This is because the other answer choice is a binomial and not a trinomial (which contains three terms). A term is always separated by - or + signs.
(-4x^2 -6x -1) - (-x^2 -5x +3) = -3x^2 - x - 4
The probability of you drawing two red marbles in a row is 1:3
1. 27.3 2.4.8 3.11.4 4.10.9
