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Mathematics 8 Online
OpenStudy (anonymous):

x^2 -5x +6 = 0 I found the answer is 2, but what is the correct process? i guessed for x and got it.

hartnn (hartnn):

didn't u guess 3?

OpenStudy (anonymous):

x = 2, but I didn't show correct work

OpenStudy (anonymous):

i guess 3 does work though lol

hartnn (hartnn):

thats quadratic equation that can be solved by many ways. one way is to use this quadratic formula to find 2 values of x, \[x=\frac{(-b) \pm \sqrt{b^2-4ac}}{2a}\]

OpenStudy (anonymous):

ok i know qadratic

hartnn (hartnn):

great,so to show the process,use the formula to get x=2,3.

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