factorise 4x²+20xy+25y² fast answer please fastest and step by step will be marked as brainliest answer and this question is for 25 points all my dear brainlies
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4x² + 20xy + 25y²
= 4x² + 10xy + 10xy + 25y²
= 2x ( 2x + 5y ) + 5y ( 2x + 5y )
= (2x + 5y )²
aryaan48:
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