factorize a²-b²+a²-b²
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Step-by-step explanation:
a² - b²is a special case for factoring. It is called the difference of squares. When factoring the binomial a² - b², we no longer use a table, because there is a simpler way to complete the factoring. Since it is a difference ( + -) of perfect squares, you can take the square root of each term.
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