Question

Simppificati raportul 2x la patrat -7x+3 supra x la patrat-9

Answer 1

$\frac{2 x^{2} -7x+3}{ x^{2} -9}= \frac{2 x^{2} -x-6x+3}{(x+3)(x-3)}= \frac{x(2x-1)-3(2x-1)}{(x+3)(x-3)}= \frac{(x-3)(2x-1)}{(x+3)(x-3)}= \frac{2x-1}{x+3}$