Question

(2x+3y)^2 - (2x+3y)^2​

Answer 1

Step-by-step explanation:

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

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

=4x^2+12xy+9y^2-4x^2-12xy-9y^2

=0

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