1.

AbCa-bb-cc-ab+ccta a+b333​

Answer»

(2x−1)(x−3)=(x+5)(x−1)

= > 2 {x}^{2} - 6x - x + 3 = {x}^{2} - x + 5x - 5

= > {x}^{2} - 11x + 8 = 0

= > x = \frac{ - (11) + - \sqrt{( - {11)}^{2} - 4(1)(8)} }{2(1)}

x = \frac{11 + - \sqrt{81} }{2}


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