8a sqaure +18a -5 Factorise
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Answer:
(2a+5) (4a-1)
Step-by-step explanation:
8a²+ 18a -5
1st find prime factors of ( 8× 5) =40
=8a²+(20-2)a-5
=8a²+20a-2a-5
=4a(2a+5)-1(2a+5)
=(2a+5) (4a-1)
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