Math, asked by shabeenank807, 1 month ago

d. solve using identity : (3x - 5y²)

Answers

Answered by ayanow209

1

Answer:

9x^2 + 25y^2 -30xy

Step-by-step explanation:

(3x - 5y)^2

(a-b)^2 = a^2+ b^2 -2ab

=3x^2 + 5y^2 - 2(3x)(5y)

=9x^2 +25y^2 - 30xy

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