Question

5x

2

y – 5x

2 + 3yx2 – 3y

2 + x

2 – y

2 + 8xy2 – 3y

2​

Answer 1

Simplify combining like terms.

5x  

2

y−5x  

2

+3yx  

2

−3y  

2

+x  

2

−y  

2

+8xy  

2

−3y  

2

.

Answer

5x  

2

y−5x  

2

+3yx  

2

−3y  

2

+x  

2

−y  

2

+8xy  

2

−3y  

2

=5x  

2

y+3yx  

2

+8xy  

2

−5x  

2

+x  

2

−3y  

2

−y  

2

−3y  

2

 

=(5x  

2

y+3x  

2

y)+8xy  

2

−(5x  

2

−x  

3

)−(3y  

2

+y  

2

+3y  

2

)

=8x  

2

y+8xy  

2

−4x  

2

−7y  

2

.