Math, asked by daksh4715, 3 months ago

8a sqaure +18a -5 Factorise

Answers

Answered by surajitkundu8013

0

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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