Math, asked by ahad02khan, 2 months ago

12ab + 21а= ч (3ab+7a)​

Answers

Answered by aditikamat77
0
  • 12ab+21a=12ab+28a
  • 12ab-12ab+21a-28a=0
  • 0-7a=0
  • 7a=0
  • a=0/7
  • a=0

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