clownfishsarah clownfishsarah
  • 20-03-2018
  • Mathematics
contestada

How do you factor an equation like this? Do you guys know any videos that would help with an equation like this?

How do you factor an equation like this Do you guys know any videos that would help with an equation like this class=

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choixongdong
choixongdong choixongdong
  • 20-03-2018
formula:
a^3 + b^3 = (a+b)(a^2 − ab + b^2)
so
x^3y^3 + 343
= (xy)^3 + 7^3
= (xy + 7)(x^2y^2 - 7xy + 49)

hope it helps
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