svralvarez14
svralvarez14 svralvarez14
  • 16-12-2015
  • Mathematics
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How do I factor y^2-16

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apologiabiology
apologiabiology apologiabiology
  • 16-12-2015
this is a difference of 2 perfect square so if we have
a^2+b^2=(a-b)(a+b)
16=4^2
y^2-4^2=(y-4)(y+4)
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