-1/4(16x^2+12x-20)

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Solution for -1/4(16x^2+12x-20) equation: 


x in (-oo:+oo)

(-1/4)*(16*x^2+12*x-20) = 0

-1/4*(16*x^2+12*x-20) = 0

16*x^2+12*x-20 = 0

4*(4*x^2+3*x-5) = 0

4*x^2+3*x-5 = 0

DELTA = 3^2-(-5*4*4)

DELTA = 89

DELTA > 0

x = (89^(1/2)-3)/(2*4) or x = (-89^(1/2)-3)/(2*4)

x = (89^(1/2)-3)/8 or x = (-(89^(1/2)+3))/8

4*(x+(89^(1/2)+3)/8)*(x-((89^(1/2)-3)/8)) = 0

-1/4*4*(x+(89^(1/2)+3)/8)*(x-((89^(1/2)-3)/8)) = 0

( x+(89^(1/2)+3)/8 )

x+(89^(1/2)+3)/8 = 0 // - (89^(1/2)+3)/8

x = -((89^(1/2)+3)/8)

( x-((89^(1/2)-3)/8) )

x-((89^(1/2)-3)/8) = 0 // + (89^(1/2)-3)/8

x = (89^(1/2)-3)/8

x in { -((89^(1/2)+3)/8), (89^(1/2)-3)/8 }

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