Question

xy+(xy-4 x 3+3x-5)-(-3x2-4)-(xy+x3-4)​

Answer 1

Step-by-step explanation:

xy+(xy+4x3+3x−5)−(−3x2−4)−

(xy+x3−4) = xy+xy+4x3+3x−5+3x2+4−xy−x3+4

       =xy+3x3+3x+3+3x2