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-3x^2-5x-7=4x^2
We move all terms to the left:
-3x^2-5x-7-(4x^2)=0
determiningTheFunctionDomain -3x^2-4x^2-5x-7=0
We add all the numbers together, and all the variables
-7x^2-5x-7=0
a = -7; b = -5; c = -7;
Δ = b2-4ac
Δ = -52-4·(-7)·(-7)
Δ = -171
Delta is less than zero, so there is no solution for the equation
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