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MathematicsMathematics
17 November, 04:57

Use a quadratic equation to find two real numbers that satisfies the situation.

The sum of the two numbers is 7 and their product is 14.

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  1. 17 November, 07:37
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    A) x + y = 7

    B) x * y = 14

    y = 7 - x

    Inserting this into B)

    B) x * (7-x) = 14

    7x - x^2 = 14

    -x^2 + 7x - 14 = 0

    Can't find the solution

    Perhaps it should read the sum = 9?

    Then x = 2 and y = 7
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