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4x^2-64=-128
We move all terms to the left:
4x^2-64-(-128)=0
We add all the numbers together, and all the variables
4x^2+64=0
a = 4; b = 0; c = +64;
Δ = b2-4ac
Δ = 02-4·4·64
Δ = -1024
Delta is less than zero, so there is no solution for the equation
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