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Equations in Quadratic Form
Some equations are not quadratic equations, but are in the same form.
To solve equations such as that, make a substitution, solve for the new variable, and then solve for the original variable
These give
Solve
No solution
One solution
x
=
Two solutions
x
_{1}
=
x
_{2}
=
Three solutions
x
_{1}
=
x
_{2}
=
x
_{3}
=
Four solutions
x
_{1}
=
x
_{2}
=
x
_{3}
=
x
_{4}
=