You need to formulate your questions more clearly. I guess you mean find the values of x for when the function 2x^2-5x+2 crosses the x axis.
In other words, find the values of x when 2x^2-5x+2=0.
Start by factorising the left hand side, e.g. (ax+b)(cx+d)=0.
In other words, find the values of x when 2x^2-5x+2=0.
Start by factorising the left hand side, e.g. (ax+b)(cx+d)=0.
(edited 9 years ago)
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