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Anonymous
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B squared -4ac is the discriminant. you get 0, which means it will have one rational solution.
Means x = 3
It is +4x
4x * x = 4x^2
8x-5=23+4x 8x-5-4x=23+4x-4x 4x-5=23 4x-5+5=23+5 4x=28 4x/4=28/4 x=7