Practice problem
Which of the following is a trinomial?
3−2ab+b23 - 2ab + b^23−2ab+b2
2ab−b2ab - b2ab−b
x2−2yx^2 - 2yx2−2y
3x−3y+9y2+2xy3x - 3y + 9y^2 + 2xy3x−3y+9y2+2xy
Type a concept, like “slope” or “photosynthesis”.
