Question

как сократить дробь? 2x^-5x-12/2x+3

Answer 1

$dfrac{2x^2-5x-12}{2x+3}= dfrac{2x^2+3x-8x-12}{2x+3}= dfrac{x(2x+3)-4(2x+3)}{2x+3}= \ = dfrac{(x-4)(2x+3)}{2x+3} =x-4$