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Libby Stark
Mathematics
18 June, 17:25
X²+6x+3=0
How do I solve this
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Breanna
18 June, 17:52
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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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