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Home > CCA > Chapter 9 > Lesson 9.1.3 > Problem 9-27
9-27.
Solve the following quadratic equations by factoring and using the Zero Product Property. Then check your solutions.
Use a generic rectangle and a diamond problem to help you factor the equation.
left edge top
interior top left
interior top right
left edge bottom
interior bottom left
interior bottom right
bottom edge left
bottom edge right
See part (a).
Rewrite the equation so that it is equal to
.
You should notice that this is a difference of squares.