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Half the sum of 12 and x2 decreased by one-third x
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Half the sum of 12 and x2 decreased by one-third x

User Jeerbl
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1 Answer

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The sum of 12 and x squared is


12+x^2

Half that sum is


(1)/(2)(12+x^2)

If we decrease this quantity by 1/3 x we have


(1)/(2)(12+x^2) - (1)/(3)x

User Phat Huynh
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