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x^2+4x=-243
We move all terms to the left:
x^2+4x-(-243)=0
We add all the numbers together, and all the variables
x^2+4x+243=0
a = 1; b = 4; c = +243;
Δ = b2-4ac
Δ = 42-4·1·243
Δ = -956
Delta is less than zero, so there is no solution for the equation
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