Kimruth320viz
Answered

What is the factor of 49b²-100
and f²-400
please help I'll give you 5 star and 1 heart ❤️ ​

Sagot :

AGboiiviz

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By sum and difference of two squares

  • 49b²-100 = (7b+10)(7b-10)
  • f²-400 = (f-20)(f+20)