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06-07-2021
Mathematics

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PLS PLS PLS PLS PLS PLS PLS HELP I DON'T GET IT!!! Write missing monomials to make an identity:

A) (.....+2a)^2=.....+12ab+4....

B) (3x+.....)^2=....x^2+.....+49y^2

Respuesta :

ytrdszajj ytrdszajj

08-07-2021

Answer:

I only have the answer for B

Step-by-step explanation:

This is the answer: 1st blank: 7y

2nd blank: 9

3rd blank: 42xy

Answer Link

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