SOLUTION: I'm so confused...please help!
square root of 5x^2+9 = x
I've gotten as far as x^2+5x^2+9=0 but now I don't understand how to factor it out. The textbook confuses me.
Tha
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Radicals
-> SOLUTION: I'm so confused...please help!
square root of 5x^2+9 = x
I've gotten as far as x^2+5x^2+9=0 but now I don't understand how to factor it out. The textbook confuses me.
Tha
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Question 55737: I'm so confused...please help!
square root of 5x^2+9 = x
I've gotten as far as x^2+5x^2+9=0 but now I don't understand how to factor it out. The textbook confuses me.
Thanks. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! square root of 5x^2+9 = x
Square both sides to get:
5x^2+9 = x^2
4x^2+9=0
(2x+3i)(2x-3i)=0
x=(-3/2)i or x=(3/2)i
Cheers,
Stan H.
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