Simplify:2 (x2 + 5) - 3 (x + 1) + 3

A) x2 - 3x + 10

B) 2x2 - 3x + 10

C) - 2x2 - 3x + 10

D) 2x2 - 3x - + 13

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The sum of two numbers is 13 and their difference is 3

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9x + 8y3 - 7 = 3y3 - 3 9x + 5y = 0

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