01:17
Practical Problem: Subtracting Boxes in a Warehouse
A practical problem solved using subtraction in an algebraic expression.
03:46
Practical Problem: The Area of a Garden
Using multiplication of polynomials in a practical problem.
03:19
Subtracting Like Terms
Subtracting like terms demonstrated and applied to a practical problem.
01:27
Rules for Subtracting Algebraic Expressions
Rules for subtracting one algebraic expression from another and a step-by-step demonstration.
02:33
Multiplying Both Sides of an Equation by -1
By multiplying both side of an equation by negative one, you can change negative signs to positive, making an equation easier to work with.
01:15
Signed Numbers: Positive Numbers
This clip explains that the symbol for positive numbers is the plus sign. If a number has no sign at all, it's understood to be positive. On the number line, the positive numbers are lined up in order to the right of the zero, in what is called "the...
00:55
Subtraction Problem
MM_ALG_03K_011