Question

Simplify -3xy 3 + 7xy 3 + (-xy 3) + (-3xy 3).

Answer 1

-3xy^3+7xy^3+(-xy^3)+(-3xy^3)
-3xy^3+7xy^3-xy^3-3xy^3
4xy^3-4xy^3
=0

Answer 2

0

Explanation:

`-3xy^3+7xy^3+(-xy^3)+(-3xy^3)`

To simplify we need to combine like terms

Here all terms have variable xy^3

So all terms are like terms

To combine all the like terms, we need to add the coefficient of all the terms

For example 5x + 2x is 7x

-xy^3 is -1xy^3

`-3xy^3+7xy^3+(-1xy^3)+(-3xy^3)`

(-3 + 7 -1-3) xy^3

0xy^3

0 times anything is 0

So answer is 0