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19 January, 08:51

Which of the following is a solution of x2 + 5x = - 2?

5 plus or minus the square root of 33 divided by two.

5 plus or minus the square root of 17 divided by two

negative 5 plus or minus the square root of 33 divided by two.

negative 5 plus or minus the square root of 17 divided by two.

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  1. 19 January, 09:21
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    X^2 + 5x = - 2

    x^2 + 5x + 2 = 0

    x = - b (+-) sqrt (b^2 - 4ac) / 2a

    a = 1, b = 5, and c = 2

    x = - 5 (+-) sqrt (5^2 - 4 (1) (2)) / 2 (1)

    x = - 5 (+-) sqrt (25 - 8) / 2

    x = - 5 (+-) sqrt (17) / 2

    answer is : negative 5 plus or minus the square root of 17 divided by 2
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Home » Mathematics » Which of the following is a solution of x2 + 5x = - 2? 5 plus or minus the square root of 33 divided by two. 5 plus or minus the square root of 17 divided by two negative 5 plus or minus the square root of 33 divided by two.
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