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7x-15=4x^2
We move all terms to the left:
7x-15-(4x^2)=0
determiningTheFunctionDomain -4x^2+7x-15=0
a = -4; b = 7; c = -15;
Δ = b2-4ac
Δ = 72-4·(-4)·(-15)
Δ = -191
Delta is less than zero, so there is no solution for the equation
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