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zmudz

  • one year ago

The function \(f\) satisfies \(f(x) + f(2x + y) + 5xy = f(3x - y) + 2x^2 + 1\) for all real numbers \(x\), \(y\). Determine the value of \(f(10)\).

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  1. misty1212
    • one year ago
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    can't seem to hit on the right combination

  2. Zarkon
    • one year ago
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    x=10,y=5

  3. Zarkon
    • one year ago
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    in general x=2y or y=x/2 then you can actually find f(x)

  4. Jhannybean
    • one year ago
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    How did you find x = 2y?

  5. Zarkon
    • one year ago
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    2x+y=3x-y then 2y=x

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