lillbugg1
lillbugg1 lillbugg1
  • 14-04-2021
  • Mathematics
contestada

PLEASE HELP ME 20 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!

PLEASE HELP ME 20 POINTS class=

Respuesta :

saraalvi00
saraalvi00 saraalvi00
  • 14-04-2021

Answer:

Step-by-step explanation:

by using formula (a+b)^2=a^2+2ab+b^2

in these two we have to just open the formula

(3x+2y)^2

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

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

(3y+2x)^2

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

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

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