Question

упрости выражение(даю 100 баллов)

Answer 1

$\displaystyle\bf\\5x-\frac{10x^{2} }{2x-3} =\frac{5x\cdot(2x-3)-10x^{2} }{2x-3} =\frac{10x^{2} -15x-10x^{2} }{2x-3} =\\\\\\=-\frac{15x}{2x-3} =\frac{15x}{3-2x} \\\\\\x=1\\\\\\\frac{15x}{3-2x} =\frac{15\cdot 1}{3-2\cdot 1} =\frac{15}{3-2}=\frac{15}{1} =15\\\\\\Otvet:15$