SOLUTION: Please help me factor this polynomial completely x^2y-16y+4x^2-64

Algebra.Com
Question 589538: Please help me factor this polynomial completely x^2y-16y+4x^2-64

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
factor this polynomial completely x^2y-16y+4x^2-64
----------------------------
= y(x^2-16) + 4(x^2-16)
------
= (y+4)(x^2-16)
------
= (y+4)(x-4)(x+4)
====================
Cheers,
Stan H.

RELATED QUESTIONS

Please help me factor this polynomial completely... (answered by stanbon)
Please help me factor this polynomial completely: {{{ x^2y-xy^2... (answered by jim_thompson5910)
Please help me factor this polynomial completely... (answered by John10)
Please help me to solve: factor each polynomial completely: x^3y+2x^2y^2+xy^3... (answered by ankor@dixie-net.com)
Please help me solve this problem, I'm stuck. Factor the polynomial completely:... (answered by checkley71)
please help factor completely. x^2+16x+64 (answered by Alan3354)
Could you please help me factor the following polynomial? 4y^2+16y+16 Thank you,... (answered by stanbon,jim_thompson5910)
Please help me factor this polynomial completely:... (answered by robertb)
please help me solve this equation {{{ 4x^2+4x+1-y^2 }}} this is factor... (answered by Alan3354)