Difference of two squares
Recognize two squared terms being subtracted and factor them.
- Use
. - Take the square root of each term. Use one minus parenthesis and one plus parenthesis.
- When you expand, the middle terms cancel.
Example 1
A square and a number
Factor fully.
Example 2
Two coefficients
Write the expression as a product of factors.
Example 3
Fractional squares
Factor fully.
Example 4
A fourth power and a square root
Factor fully, for
Remember
Factor out any common factor first. This pattern requires subtraction.
Your turn
5 practice questions0 of 5 answers checked
Question 1
Factor fully.
Check answer
Question 2
Factor fully.
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Question 3
Factor fully.
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Question 4
Factor fully.
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Question 5
Factor fully.
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Factor fully.
Factor fully.
Factor fully.
Factor fully.
Factor fully.