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# Roots of equation - in surds. watch

1. Hey, I can't seem to be able to remember how to solve this sort of problem. Can anyone show the workings for me?

Find, as surds, the roots of the equation:

2. Get everything as ax^2 + bx + c = 0 and use the quadratic formula.
3. What the above posts says!!!!
4. (Original post by stevencarrwork)
Get everything as ax^2 + bx + c = 0 and use the quadratic formula.
Ahh, now I see. I tried completing the square.

Thanks a lot.
5. (Original post by Srxjer)
Ahh, now I see. I tried completing the square.

Thanks a lot.
Completing the square should work just as the formula should work. The choice of method does not matter.
6. i think he meant, he was trying to complete the square without having multiplied the brackets out i believe.

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