gissell18
gissell18
05-07-2017
Mathematics
contestada
solve for x 7x^2-x-8=0
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Аноним
Аноним
05-07-2017
factoring
(7x -8 )( x +1) = 0
7x - 8 = 0 or x + 1 = 0
x = 8/7 or x = - 1
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