JHS Math – manipulating equations – Example 2

Example 2: Solve for x in the following equation:

x2-1

Solution

Get rid of the denominators by multiplying both sides of the equal sign by 18 (the Lowest Common Denominator – otherwise known as LCD) – the smallest number that 9, 3 and 18 divides into evenly – without any remainder, like this:...


To read the rest of the lesson kindly sign up. If you are a paid-member, click the Paid-Members Content or Blog on your dashboard or Menu to access the hundreds of step-by-step tutorials, concise easy-to-understand notes and reinforcing quizzes.

Shopping cart0
There are no products in the cart!
Continue shopping
0