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vas1 vas1
  • 28-11-2016
  • Mathematics
Answered

solve the equation 2x^2-7x=9

Verified Answer :

JuanAlv89 JuanAlv89
  • 28-11-2016

x=−1, 9/2
Decimal Form: -1, 4.5

Answer Link
apologiabiology
apologiabiology apologiabiology
  • 28-11-2016

minus 9 from both sides
2x^2-7x-9=0
factor
(2x-9)(x+1)=0

set each to zero
2x-9=0
2x=9
x=9/2

x+1=0
x=-1

x=9/2 and -1

Answer Link

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