SOLUTION: Please help! (5x+4)^1/2-3x=o
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Question 135113
:
Please help!
(5x+4)^1/2-3x=o
Answer by
stanbon(75887)
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(5x+4)^1/2-3x=o
(5x+4)^(1/2) = 3x
Square both sides to get:
5x+4 = 9x^2
9x^2-5x-4 = 0
9x^2-9x+4x-4 = 0
9x(x-1)+4(x-1) = 0
(x-1)(9x+4) = 0
x = 1 or x = -4/9
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Cheers,
Stan H.