SOLUTION: Please help to solve this equation by completing the square: 3x^2 - x - 1 = 0

SOLUTION: Please help to solve this equation by completing the square: 3x^2 - x - 1 = 0

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Question 571216: Please help to solve this equation by completing the square:
3x^2 - x - 1 = 0
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

Take 1/2 of the coefficient of , square it
and add it to both sides

Take the square root of both sides

and, also

-----------------------
check the solutions:

Multiply both sides by

OK. You can check other solution

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