### 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 (6)

Need help with "Factoring: Special Cases Part II" problems? Watch expert teachers solve similar problems to develop your skills.

Factor:

9x(x − 2) + 4(x − 2)
###### Problem 1
How to factor by grouping if given the GCF binomial.

Factor:

12x³ − 9x² + 20x − 15
###### Problem 2
How to factor by grouping if given a third degree polynomial.

Factor:

6x³ − 8x² + 20 − 15x
###### Problem 3
How to factor by grouping if the polynomial is not in standard form.
###### Problem 4
Factoring completely by looking for greatest common factors at the beginning and end of a factoring process
###### Problem 5
Factoring by grouping with two variables
###### Problem 6
Factoring cubic polynomials by either factoring a GCF, using the sum/difference of cubes formulas, or grouping