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Mathematics
Janiyah Alvarado
28 September, 18:05
Study the equation.
x² + 6x = - 4
+3
Answers (
1
)
Velazquez
28 September, 21:20
0
x = - 3+√5, - 3-√5 (exact roots)
or x = - 0.76, - 5.24 to the nearest hundredth.
Step-by-step explanation:
x² + 6x = - 4
Completing the square:
(x + 3) ^2 - 9 = - 4
(x + 3) ^2 = 5
x + 3 = + / -√5
x = - 3 + √5, - 3 - √5
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