Question 57 (e)
Add the following expression:
x3y2+x2y3+3y4 and x4+3x2y3+4y4
Question 58 (d)
Subtract:
x4+3x3y3+5y4 from 2x4−x3y3+7y4.
Question 69
Solve the following:
2y−34−3y−52=y+34