Question

$64m { \: }^{2} - 625 = 0$
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Answer 1

=> We have 62m² - 625 = 0

=> or ( 8m )² - ( 25 )² = 0

=> or ( 8m + 25 ) ( 8m - 25 ) = 0

=> i.e. 8m + 25 = 0

=> 8m - 25 = 0

This gives m = 25/8 or 25/8

Thus, m = 25/8, 25/8 are solutions of the given equation.

I hope this will help you dear..

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