lily777
lily777 lily777
  • 09-03-2017
  • Mathematics
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Factor completely.

a^2+3a−28

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Inkstar125
Inkstar125 Inkstar125
  • 09-03-2017
(a-4)(a+7) Look at the sign first to indicate what it will be (+ or _) Once you figure that out, factor. 
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