2x² + x - 3
2x² - 2x + 3x - 3
2x(x) - 2x(1) + 3(x) - 3(1)
2x(x - 1) + 3(x - 1)
(2x + 3)(x - 1)
20 children can get a serving of popcorn
Since each serving is 1/4 of a cup, each cup can provide for 4 children. Since there are 5 total cups, multiplying 5 by 4 will give you 20.
