SOLUTION: Expand and simplify (x^2-2)^4

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: Expand and simplify (x^2-2)^4      Log On


   

Question 407935: Expand and simplify (x^2-2)^4
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

here is the rule:

%28x%5E2-2%29%5E4...you have x=x and y=+-2, so substitute -2+for y


%28x-2%29%5E4+=x%5E4+-8x%5E3+%2B+6%28x%5E2%29%284%29+%2B+4x%28-8%29+%2B+16
%28x-2%29%5E4+=+x%5E4+-8x%5E3+%2B+24x%5E2+-+32x+%2B+16