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5 February, 19:46

2 x squared plus 5 x equals negative 2

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  1. 5 February, 20:56
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    2x² + 5x = - 2

    or, 2x²+5x+2=0

    or, 2x²+4x+x+2=0

    or, 2x (x+2) + 1 (x+2) = 0

    or, (x+2) (2x+2) = 0

    Two values can be found:

    (x+2) = 0 (2x+1) = 0

    or, x = - 2 or, 2x = - 1

    or, x = - 1/2
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