Math, asked by ms8371275, 7 months ago

factorise
1.4x²-20xy+25y²
2.9x²-16

Answers

Answered by radhakantananda116

1

Answer:

4x² - 20xy + 25y²

= 4x² -10xy - 10xy + 25y²

= 2x ( 2x - 5y ) + 5y ( 2x - 5y )

= (2x + 5y )²

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