what is factorise 9asquare - 16 a square
Answers
Answered by
3
Answer:
(9a)^2-(16a)^2
=(9a-16a)(9a+16a)
Answered by
1
Answer:
( -a)
Step-by-step explanation:
rooting on both sides
we get
3a-4a
therefore we get -a
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