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Saniya Morrison
Mathematics
1 March, 03:01
Solve the quadratic equation.
(x - 5) 2 = 9
+1
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)
Erickson
1 March, 03:27
0
(x - 5) ^2 = 9
(x - 5) (x - 5) = 9
x^2 - 10x + 25 = 9
x^2 - 10x + 25 - 9 = 0
x^2 - 10x + 16 = 0
(x - 8) (x - 2) = 0
x - 8 = 0
x = 8
x - 2 = 0
x = 2
solution : x = 8 and x = 2
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