Question

$\frac{5x + a}{3 \times + b} - \frac{5 \times - b}{3x - a}$
AYUDA 115 PUNTOS​

Answer 1

(5x+a/3x+b)-(5x-b/3x-a)

[(5x+a)(3x-a)-(3x+b)(5x-b)]/(3x+b)(3x-a)

(15x^2+3ax-5ax-a^2-15x^2+5bx-3bx-b^2)/9x^2+3bx-3ax-ab