Question: If we subtract –3x2y2 from x2y2, then we get
(a) – 4x2y2
(b) – 2x2y2
(c) 2x2y2
(d) 4x2y2
Solution:
(d) 4x2y2
We have,
The given two monomials are like terms.
Subtract –3x2y2 from x2y2 = x2y2 – (- 3x2y2)
= x2y2 + 3x2y2
= x2y2 (1 + 3)
= 4x2y2
