Math, asked by addu37973, 1 year ago

Factorise:
1. 81x2 + 90xy + 25y2

Answers

Answered by sumant73

3

Answer:

81x^2 + 90xy + 25y^2

(9x)^2 + (5y) ^2 + 2× 9x × 5y

( 9x + 5y )^2

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