### Concept (1)

Solving rational equations is substantially easier with like denominators. When solving rational equations, first multiply every term in the equation by the common denominator so the equation is "cleared" of fractions. Next, use an appropriate technique for solving for the variable.

### Sample Problems (5)

Need help with "Multiplying Polynomials: Special Cases" problems? Watch expert teachers solve similar problems to develop your skills.

Multiply:

(3a + 2b)²
###### Problem 1
How to recognize a perfect square trinomial.

Multiply:

(3a − 2b)(3a + 2b)
###### Problem 2
How to multiply a binomial squared.

Multiply:

(x − 2)³
###### Problem 3
How to cube a binomial.
###### Problem 4
Examples of multiplying two binomials that results in a difference of perfect squares. This happens because our two linear terms are additive inverses.
###### Problem 5
Examples of squared binomials and perfect square trinomials using FOIL to multiply a binomial by itself
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