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Mathematics 7 Online
OpenStudy (anonymous):

Find one solution to the cubic equation X^3+6x^+9x-2=0 by Cardanos formula (circa 1545). Carry out following steps. 1st. we will get rid of the 6x^2 term by substitution. let x=y-2. substitute this in above eq. multiply out and collect like terms to get an eq. y^3 +py +q=0 ...show all steps please

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