Respuesta :

caylus

Answer:

Hello

answer 1215

Step-by-step explanation:

As exponent of y is even sign is positive

Let's make the Pascal's triangle

[tex]\begin{array}{c|ccccccc}degree&x^6&x^5y&x^4y^2&x^3y^3&x^2^y^4&xy^5&y^6\\1&1&1\\2&1&2&1\\3&1&3&3&1\\4&1&4&6&4&1\\5&1&5&10&10&5&1\\6&1&6&15&20&15&6&1\\\end{array}\\\\answer\ 3^4* 15=1215[/tex]