If we subtract
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

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