All ACT Math Resources
Example Question #1 : How To Find The Square Of Difference
The expression is equivalent to:
First, we need to factor the numerator and denominator separately and cancel out similar terms. We will start with the numerator because it can be factored easily as the difference of two squares.
Now, we need to factor the quadratic in the denominator.
Let's substitute these factorizations back into our original expression.
The terms cancel out, leaving us with the following answer:
Example Question #2 : How To Find The Square Of Difference
can be rewritten as:
Use the formula for solving the square of a difference, . In this case,
Example Question #3 : How To Find The Square Of Difference
To multiply a difference squared, square the first term and add two times the multiplication of the two terms. Then add the second term squared.