Let's say that the problem is x/2 = 3/6. You could begin to solve for x by cross-multiplying, which means that you would multiply each fraction's numerator by the other fraction's denominator and...
The term "special product" refers to the quick multiplication of two numbers utilizing the relation (x + y)(x - y) = x2 - y2. This is usually done for two-digit multiplication problems like 17*23,...