Q21. Find: (x-6y)sq
Factorize: 16xsq - 25
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3
Answer:
Step-by-step explanation:
(4x)^2-(5)^2=0
(4x+5)(4x-5)=0
=>4x+5=0
=>x=-5/4
Or,
=>4x-5=0
=>x=5/4
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