0=128+8x+4.9x^2

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Solution for 0=128+8x+4.9x^2 equation: 



0=128+8x+4.9x^2

We move all terms to the left:

0-(128+8x+4.9x^2)=0

We add all the numbers together, and all the variables

-(128+8x+4.9x^2)=0

We get rid of parentheses

-4.9x^2-8x-128=0

a = -4.9; b = -8; c = -128;
Δ = b2-4ac
Δ = -82-4·(-4.9)·(-128)
Δ = -2444.8
Delta is less than zero, so there is no solution for the equation

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