thenextcatwoman thenextcatwoman
  • 16-11-2017
  • Mathematics
contestada

7x to the second power - x=6 find the solution set

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choixongdong
choixongdong choixongdong
  • 16-11-2017
7x^2 - x = 6
7x^2 - x - 6 = 0
(7x + 6 )(x - 1) = 0
7x + 6 = 0; x = -6/7
x - 1 = 0; x = 1

answer
x = -6/7; x = 1
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