Practice problem
Is x2−xy+21xy−21y2x^2-xy + 21xy-21y^2x2−xy+21xy−21y2 divisible by x−yx-yx−y? If so, find the quotient.
No.
Yes, and the quotient is x+21yx+21yx+21y.
Yes, and the quotient is x−21yx-21yx−21y.
Type a concept, like “slope” or “photosynthesis”.