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Solve `x^(2)+x-2=0` |
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Answer» For quadratic equation ` ax^(2)+bx +c=0` `x=(-b+-sqrt(b^(2)-4ac))/(2a)` So, for given equation ` x^(2)+x-2=0` `x=(-1+-sqrt(1+8))/(2)=(-1+-3)/(2)=1,-2` |
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