SY_Math-Science_007 (a*x^3+b*x^2+c*x+d=0) Express the solution where a=0. Show the conditions and the two solutions if the solution is only 2 different real solutions. Exprimer la solution lorsque a=0. Montrez également les condition.

SY_Math-Science_008 (a*x^3+b*x^2+c*x+d=0) Express the solution where d=0. Show the conditions and the two solutions if the solution is only 2 different real solutions. Exprimer la solution lorsque d=0. Montrez également les condition.

SY_Math-Science_010 (x^2+(4+3i)x+k+6i=0) Quadratic equations with imaginary coefficients and imaginary solutions.: Équations quadratiques avec coefficients imaginaires et solutions imaginaires.(seulement une solution imaginaire)