40x-1/2x^2350

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Solution for 40x-1/2x^2350 equation: 


x in (-oo:+oo)

40*x-((1/2)*x^2) > 350 // - 350

40*x-((1/2)*x^2)-350 > 0

(-1/2)*x^2+40*x-350 > 0

40*x-1/2*x^2-350 > 0

DELTA = 40^2-(-350*(-1/2)*4)

DELTA = 900

DELTA > 0

x = (900^(1/2)-40)/(-1/2*2) or x = (-900^(1/2)-40)/(-1/2*2)

x = 10 or x = 70

a = -1/2

a < 0

x in (10:70)

x in (10:70)

(10:70)

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