### Home > AC > Chapter 13 > Lesson 13.RE2-S > Problem 2-140

2-140.

For the function , find the value of each expression below.

Substitute 0 for

*x*and simplify.

See part (a).

Be careful of the signs when multiplying negative numbers.

Remember how to multiply fractions.

For what value(s) of

does?

Start with the diamond problem and factor using a generic rectangle.