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Mathematics, 19.09.2019 10:30 yfnal3x

4times x with an exponent of 2 plus 2 times y with an exponent of 4. x=-3 y=2
i already know the answer is 68 but can someone explain how that’s the answer ?

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4times x with an exponent of 2 plus 2 times y with an exponent of 4. x=-3 y=2
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