Factor 18x - 12y
Using the distributive law to factor the polynomial 18x - 12y is demonstrated.
Factor 21a5b7 – 7a4b6c
Practice factoring: 2la5b7 — 7a4b6c
Factor 72m3n2p5 - 48mn5p3
Practice factoring: 72m3n2p5 - 48mn5p3
Factor 27x10y3z15 - 9x9y3x9
Practice factoring: 27x10y3z15 - 9x9y3z9
Factor 35x 15y - 20z
Demonstration of factoring a polynomial with three terms that share a common factor: 35x 15y - 20z.
Subtraction Problem That Requires Factoring, A
Solving a problem in which both denominators are quadratic trinomials is demonstrated.
Solving an Equation with the Least Common Denominator: Another Practice Problem
A problem is presented to practice solving an equation using the least common denominator to get a quadratic equation.
Thoroughly Check for Common Factors
Be thorough when checking for common factors, especially when factoring by inspection. You have not factored completely until no common factors remain.
Subtracting Rational Expressions
Rational expressions with the same number in the denominator are subtracted.
Two Approaches for Dividing Radicals
Two approaches to simplifying radical expressions using division when the radical in the numerator and the radical in the denominator are perfect squares. Another guideline for simplifying radicals is introduced: all fractions must be reduced to low...