SOLUTION: why is it a good idea to factor a quadratic equation before you solve?
Algebra.Com
Question 476468: why is it a good idea to factor a quadratic equation before you solve?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!
because it's easier!
A quadratic equation has an term and, typically, an term and a . Most people can not see the answer on inspection. you , you can get something like
which makes it to solve for .
Why? Since the two expressions, when multiplied, equal , that means that or of the expressions be , so you can separate them out into two equations:
and
at which point it is very easy to solve for the two possible values of .
if ...->......one solution
if ...->......another solution
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