\(\text{(3x-5)(7-5x)-(5x+2)(2-3x)=4}\)
21x - 35 - \(15x^2\) + 25x - (10x +4 - \(15x^2\) -6x) =4
46x - 10x + 6x = 4 + 35 +4
42x = 43
\(x=\dfrac{43}{42}\)
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