Question

Question 5

If we subtract $-3x^2{y}^2$ from $x^2{y}^2$, then we get
a) $-4x^2{y}^2$
b) $-2x^2{y}^2$
c) $2x^2{y}^2$
d) $4x^2{y}^2$

Answer 1

d) $4x^2{y}^2$
$\to$​​​​​​​Given, monomials are $-3x^2{y}^2$ and $x^2{y}^2$. Now, we have to subtract the first one from the second one.
i.e. $x^2{y}^2-(-3x^2{y}^2)$$=x^2{y}^2-(-3)x^2{y}^2=x^2{y}^2+3x^2{y}^2=(1+3)x^2{y}^2=4x^2{y}^2$