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Savatey [412]
3 years ago
15

The solutions to the equation 2x(squared) + x - 1 = 2 are x=-3/2 and x = ?

Mathematics
1 answer:
Readme [11.4K]3 years ago
6 0
2x² + x - 1 = 2
2x² + x - 3 = 0
2x² - 2x + 3x -3 = 0
2x(x-1)+3(x-1)=0
(2x+3)(x-1)=0
x = -3/2 ,  x=1
Hence, the missing solution is x=1
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