An informative video to solve the quadratic and cubic equations using scientific calculator in a simple way. Enter the degree 2 or 3. Only the use of the quadratic formula as well as the basics of completing the square will be discussed here since the derivation of the formula involves completing the square.
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Factoring using the quadratic formula completing the square or graphing. Factoring using the quadratic formula completing the square or graphing. To solve a quadratic or cubic polynomial equation. Open the quadratic equation solve mode.