Homework Help: algebra1

Posted by katelynn on Monday, February 13, 2012 at 5:48pm.

how do I simplify (x^2+16)(x^2-16)?

algebra1 - Reiny, Monday, February 13, 2012 at 5:49pm
I see the pattern of "difference of squares"

Did you know that (a+b)(a-b)= a^2- b^2 ?
so
(x^2 + 16)(x^2 - 16)
= x^4 - 256
algebra1 - katelynn, Monday, February 13, 2012 at 6:02pm
thats what I thought

Related Questions

math - how would you simplify this equation: y = (x+3)/[(4-sqrt(16+h))] please ...
ALGEBRA 1 - Reiny Thanks for your help. But you lost me. I still end up with...
ALGEBRA - 9/16-(-3/16) SUBTRACT SHOW ALL OF YOUR WORK SIMPLIFY tHIS IS WHAT I ...
9 gr - Write each product in exponential form. 16 × 16 × 16 ×...
Please check answers) - Perform the indicated operations and simplify the result...
math - find the slope if any: x+8y=16 x+0=16 x=16 0 +8y=16 8y=16 8y/8=16/8 y=2 ...
algebra1 - im doing my summer homework & im a little confused on this one......
Find the sum of thuis question - Can someone find the sum for this equation ...
MATH - I need to simply this equation, but I got stuck. h/(4-sqrt(16+h)) = y ...
Calculus - Please help me simplify this: y = x/(4-sqrt(16+x)) Rationalize the ...

For Further Reading

First Name:
School Subject:
Answer: