SOLUTION: If {{{x}}} is a root of the quadratic equation {{{x^2=3-2x}}}, show that a) {{{x^3=7x-6}}}, b) {{{x^4=21-20x}}}. I need steps. {{{THANKS!}}}

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: If {{{x}}} is a root of the quadratic equation {{{x^2=3-2x}}}, show that a) {{{x^3=7x-6}}}, b) {{{x^4=21-20x}}}. I need steps. {{{THANKS!}}}      Log On