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x^2+14x+48=-7
We move all terms to the left:
x^2+14x+48-(-7)=0
We add all the numbers together, and all the variables
x^2+14x+55=0
a = 1; b = 14; c = +55;
Δ = b2-4ac
Δ = 142-4·1·55
Δ = -24
Delta is less than zero, so there is no solution for the equation
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