x²+6x+3=0 How do I solve this

Question

x²+6x+3=0

How do I solve this

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Eden 1 month 2021-10-12T05:03:30+00:00 1 Answer 0 views 0

Answers ( )

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    2021-10-12T05:05:00+00:00

    Answer:

    The exact roots are -3 + √6,  – 3 – √6

    or  -0.55, -5.45 to the nearest hundredth.

    Step-by-step explanation:

    x² + 6x + 3 = 0

    We complete the square:

    x^2 + 6x = -3

    (x + 3)^2 – 9 = -3

    (x + 3)^2 = 6

    x + 3 = +/- √6

    x =  -2 + √6,  – 3 – √6.

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