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1 vote
Factorise the following:
a² - 144​

User Jovani
by
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1 Answer

4 votes

Answer:


( a+ 12)(a - 12)

Explanation:


{a}^(2) - 144


{a}^(2) - {12}^(2)

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


{a}^(2) - {b}^(2) = ( a+b )(a - b)

where a=a and b=12.


(a+ 12)(a - 12)

Hope it is helpful....

User Iamisti
by
8.2k points

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