oshantripathi oshantripathi
  • 12-09-2022
  • Mathematics
contestada

Factorize this does it have Any breaking form??
4a^2+4a-5

Respuesta :

mhanifa
mhanifa mhanifa
  • 12-09-2022

Answer:

  • [tex](2a + 1+\sqrt{6})(2a + 1-\sqrt{6})[/tex]

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Identities we will use:

  • [tex]a^2+2ab+b^2=(a+b)^2[/tex]
  • [tex]a^2-b^2=(a+b)(a-b)[/tex]

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Given expression:

  • [tex]4a^2+4a-5[/tex]

Factorize it by completing the square and setting the difference of squares:

  • [tex]4a^2+4a + 1-6=[/tex]
  • [tex](2a)^2+2*1*2a + 1^2-6=[/tex]
  • [tex](2a+1)^2-6=[/tex]
  • [tex](2a + 1+\sqrt{6})(2a + 1-\sqrt{6})[/tex]

Answer Link

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