Emiko Emiko
  • 09-09-2023
  • Mathematics
High School

Factor using the AC method and factor completely:

\[ 25x^2 - 30x - 40 \]

Answer :

  • 08-05-2024
Answer :[tex]25x^2-30x-40 \\ =5(5x^2-10x+4x-8) \\ =5[5x(x-2)+4(x-2)] \\ =5(x-2)(5x+4)[/tex]
Answer Link
konrad509 konrad509
  • 21-09-2023
[tex]25x^2-30x-40=\\
5(5x^2-6x-8)=\\
5(5x^2-10x+4x-8)=\\
5(5x(x-2)+4(x-2))=\\
5(5x+4)(x-2)
[/tex]
Answer Link

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