Math, asked by sarateesign, 5 months ago

(3xy-5)²
how do u solve this using properties

Answers

Answered by rujutamukherjee2006

1

Answer:

69x^3y^3+25

Step-by-step explanation:

(3xy-5)^2=a^2+b^2+2ab

=(3xy)^2+(5)^2+2(3xy×5)

=9x^2y^2+25+60xy

=69x^3y^3+25 (ans)

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