Solutions Of Equations

If you want to find

Solution of linear equation,

Then use the methods

Cramer's rule, Substitution, and Elimination.

If you want to find

Solution of quadratic equation,

Then use the methods

Completing square, Formula method, and Factorization.

If you want to find

Solution of cubic equation,

Then use the method

Reduce it into a quadratic equation.

If you want to find

Solution of the quartic equation,

Then use the methods

Ferrari Lagrange's and Neumark's solution.