Factorise the following: a² - 144

Kevin Smyth asked Nov 14, 2022

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45 votes

Factorise the following:
a² - 144

Kevin Smyth asked Nov 14, 2022

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5 votes

Answer:

Explanation:

Since both terms are perfect squares, factor using the difference of squares formula,

where a=a and b=12.

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