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Kierra Salas
Mathematics
21 June, 07:49
Solve by completely the square x^2-8x-20=0
+3
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Lailah Garrison
21 June, 07:56
0
x = - 2, 10.
Step-by-step explanation:
x^2-8x-20=0
(x - 4) ^2 - 16 - 20 = 0
(x - 4) ^2 = 36
x - 4 = + / -sqrt36
x = 4+6, 4 - 6
x = - 2,10
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Andre Lindsey
21 June, 08:10
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x=5
Step-by-step explanation:
x^2 is 1
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