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52*x-((16/7)*x^2)+49^2-32 = 0
(-16/7)*x^2+52*x+49^2-32 = 0
52*x-16/7*x^2+2369 = 0
DELTA = 52^2-(-16/7*4*2369)
DELTA = 170544/7
DELTA > 0
x = ((170544/7)^(1/2)-52)/(-16/7*2) or x = (-(170544/7)^(1/2)-52)/(-16/7*2)
x = -7/32*((170544/7)^(1/2)-52) or x = 7/32*((170544/7)^(1/2)+52)
x in { -7/32*((170544/7)^(1/2)-52), 7/32*((170544/7)^(1/2)+52) }
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