Math, asked by kandagatlavijaya, 11 months ago

(3x+7y+z)^2 Answer this question Immediately plz , What u know u do it.

Answers

Answered by ayush6388237973

1

Answer:

(3x+7y+z)^2

=(3x+7y+z)(3x+7y+z)

=9x^2+21xy+3xz+21xy+49y^2+7yz+3xz+7yz+z^2

=9x^2+42xy+6xz+49y^2+14yz+z^2

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