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Mathematics 8 Online
OpenStudy (anonymous):

3x^2+11x-25=0

OpenStudy (anonymous):

factorise it

OpenStudy (anonymous):

or use quadratic formula

OpenStudy (unklerhaukus):

\[ax^2+bx+c=0\qquad\Longrightarrow\qquad x_{1,2}=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\]

OpenStudy (anonymous):

Thats the quadratic formula

OpenStudy (anonymous):

it cant be factorised directly......

OpenStudy (anonymous):

o got icoo tx

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