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  • 03-10-2017
  • Mathematics
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(X+3)(x-3) use foil method

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babydoll033003
babydoll033003 babydoll033003
  • 03-10-2017
(x+3)(x-3)
x*x=x^2
+3*-3=-9
3x+-3x=0
answer is x^2-9
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