anonymous
  • anonymous
what are the factors of 4x2 + 5x − 6?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Vocaloid
  • Vocaloid
(x+2)(4x-3)
anonymous
  • anonymous
thank you what did you do to get that
Vocaloid
  • Vocaloid
factoring is kind of a "guess and check method" but here's the method I use

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Vocaloid
  • Vocaloid
|dw:1444346840572:dw|
Vocaloid
  • Vocaloid
first, I look at the x^2 term we have 4x^2, so I pick two factors of 4 to go on the left ends of the cross
Vocaloid
  • Vocaloid
|dw:1444346886217:dw|
Vocaloid
  • Vocaloid
then I look at the last term (-6) and write two factors on the other end
Vocaloid
  • Vocaloid
|dw:1444346933724:dw|
Vocaloid
  • Vocaloid
|dw:1444346999628:dw|
Vocaloid
  • Vocaloid
now I look at the middle term (5x), and since I have 5 here, I guessed the right factors.
Vocaloid
  • Vocaloid
now, reading across the giant X, I get:|dw:1444347057499:dw|
Vocaloid
  • Vocaloid
(x+2) and (4x-3)
Vocaloid
  • Vocaloid
TLDR it's a guess-and-check method
anonymous
  • anonymous
thank you

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