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07-06-2016
Mathematics

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What is the value of 3x2 - 5xy + 5y2 for x = -6 and y = 2?

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07-06-2016

Answer is 188 3x2 - 5xy + 5y2 Now put x = -6 and y = 2 3(-6)2 - 5(-6)(2) + 5(2)2 3(36) - 5(-12) + 5(4) 108 + 60 + 20 188

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