Home > PC3 > Chapter 7 > Lesson 7.1.2 > Problem 7-28
7-28.
Given
Rewrite the expression with a common denominator.
Substitute
with from the given equation. Simplify.
Rewrite the expression with a common denominator.
Substitute from the given equation.
Rewrite the expression in the numerator with a common denominator.
Simplify and substitute.
Multiply out.
Make all fractions with the same common denominator.
Simplify.