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sunshine2827646a sunshine2827646a
  • 15-08-2014
  • Mathematics
Answered

Factor completely: X2-7x-30

Verified Answer :

konrad509
konrad509 konrad509
  • 15-08-2014

\(x^2-7x-30=\\ x^2-10x+3x-30=\\ x(x-10)+3(x-10)=\\ (x+3)(x-10)\)

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Anonymous Anonymous
  • 15-08-2014

x²-7x-30

=(x-10)(x+3)

Therefore, x=10 and x=-3.

Answer Link

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