w9ersLTurtjonecas
w9ersLTurtjonecas w9ersLTurtjonecas
  • 18-10-2016
  • Mathematics
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Give the values of a, b, and c needed to write the equation's general form.. (5 + x)(5 - x) = 7. A = 1; B = 0; C = -18. A = 25; B = 0; C = -1. A = -1; B = 0; C = 25

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Hagrid
Hagrid Hagrid
  • 27-10-2016
The general form of an equation is [tex]A x^{2} +Bx+C=0[/tex]. Solving for  (5+X)(5-X)=7 by multiplying the factors and subtratcting 7 on both sides gives the equation [tex] x^{2} -18=0[/tex], so 
A = 1
B = 0
C = -18
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