Factorise each of the following: 16a² – 25/9a²
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Answered by
3
Answer:
16a²-25/9a²
=(4a)²-(5/3a)²
=(4a+5/3a)(4a-5/3a)[a²-b²=(a+b)(a-b)]
Answered by
4
Step-by-step explanation:
16a^2-25/9a^2
(4a)^2-(5a/3)^2
(4a-5a/3)(4a+5a/3)
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