-25=12x+1/2(-9.8)(x2)

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Solution for -25=12x+1/2(-9.8)(x2) equation: 


x in (-oo:+oo)

-25 = 12*x-9.8*(1/2)*x^2 // - 12*x-9.8*(1/2)*x^2

-(-9.8*(1/2)*x^2)-(12*x)-25 = 0

4.9*x^2-12*x-25 = 0

4.9*x^2-12*x-25 = 0

DELTA = (-12)^2-(-25*4*4.9)

DELTA = 634

DELTA > 0

x = (634^(1/2)+12)/(2*4.9) or x = (12-634^(1/2))/(2*4.9)

x = 0.10204082*(634^(1/2)+12) or x = 0.10204082*(12-634^(1/2))

x in { 0.10204082*(12-634^(1/2)), 0.10204082*(634^(1/2)+12) }

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