Does anyone know the correct method for solving ? Thanks in advance.
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Since 2 is a common factor you can divide through by 2:
Move the 4 over to the left hand side:
You can then solve the quadratic is your favourite way (I suggest the formula)
Last edited by e^(i*pi); Dec 11th 2010 at 10:06 AM.
Reason: see post 3
Originally Posted by e^(i*pi) You can then solve the quadratic is your favourite way (but this one factorises) Don't think so...discriminant = 33
Originally Posted by Wilmer Don't think so...discriminant = 33 Ta, I thought it was a square number for some reason
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