SOLUTION: solve x-6=√(6x+4) please help me work out this problem.
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Question 282881
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solve x-6=√(6x+4) please help me work out this problem.
Answer by
user_dude2008(1862)
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x-6=√(6x+4)
(x-6)^2=6x+4
x^2-12x+36=6x+4
x^2-18x+32=0
(x-2)(x-16)=0
x=2 or x=16
x-6=√(6x+4)
2-6=√(6(2)+4)
-4=4 ... false
x-6=√(6x+4)
16-6=√(6(16)+4)
10=10 ... true
Answer: Only solution is x=16