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Mathematics
Kimora Donaldson
31 March, 21:30
Solve the quadratic equation: 2 (x-3) ^2-24-0
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1
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Jacobs
1 April, 00:14
0
x=3+2*sqrt (3)
x=3-2*sqrt (3)
Step-by-step explanation:
2 (x-3) ²-24=0
2 (x-3) ²=24
(x-3) ²=12
Case 1:
x-3=sqrt (12) = 2*sqrt (3)
x=3+2*sqrt (3)
Case 2:
x-3=-sqrt (12) = -2*sqrt (3)
x=3-2*sqrt (3)
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