algebra

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when x=3 and y=5 how much does the value of 3x to the seond power minus 2y to the second power exceed the value of 2x to the second power minus 3y

  • algebra -

    value=3x^2-2y^2 - 2x^2+3y

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    3^2-2*5^2+3(5)

  • algebra -

    Given
    f(x,y) = ((3x)²-(2y)²) - ((2x)²-3y)
    Find f(3,5).
    f(3,5)
    =((3*3)²-(2*5)²)-((2*3)²-3*5)
    =(9²-10²)-(6²-15)
    =(81-100)-(36-15)
    =-19-21
    =-40
    Please check if the interpretation of the question is correct.

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