SOLUTION: Evaluate (a^2+b^2)(a^2-b^2)/(a+b)^2(2a^2-3ab+b^2) if a=4 and b=3. For this question I got 175/357, but I am unsure upon my answer.

Algebra ->  Expressions-with-variables -> SOLUTION: Evaluate (a^2+b^2)(a^2-b^2)/(a+b)^2(2a^2-3ab+b^2) if a=4 and b=3. For this question I got 175/357, but I am unsure upon my answer.      Log On


   

Question 317655: Evaluate (a^2+b^2)(a^2-b^2)/(a+b)^2(2a^2-3ab+b^2) if a=4 and b=3.
For this question I got 175/357, but I am unsure upon my answer.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
a%5E2%2Bb%5E2=16%2B9=25
a%5E2-b%5E2=16-9=7
%28a%2Bb%29%5E2=%284%2B3%29%5E2=49
2a%5E2-3ab%2Bb%5E2=2%2816%29-3%2812%29%2B9=32-36%2B9=5
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I get a different denominator.