• Matéria: Matemática
  • Autor: ruan226
  • Perguntado 9 anos atrás

(5x+2)2-(5x-2)2-(5x+2).(5x-2)

Respostas

respondido por: FranklinWillyan2
1
(5x+2) 2-(5x-2) 2-(5x-2). (5x-2) =7x+2-3x+2-7x.3x =7x+2-3x+2-21x =9x-5x-21x =4x-21x =-17x
respondido por: mariaeduardacechin
1

Resposta:

Explicação paso5x+2) 2-(5x-2) 2-(5x-2). (5x-2) =7x+2-3x+2-7x.3x =7x+2-3x+2-21x =9x-5x-21x =4x-21x =-17xsso

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