Question

if H.C.F ( 25,15) = 4x+1 then x =?

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Answer 1

Step-by-step explanation:

Factorizing 4x2 - 9y2, we get

(2x)2 - (3y)2, by using the identities of a2 - b2.

= (2x + 3y) (2x - 3y)

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