Question

factor común polinomio de (2x+3)(3-r)-(2x-5)(3-r)​

Answer 1

(2x + 3) (3 - r) - (2x - 5) (3 - r)

= [ (2x + 3) - (2x - 5) ] (3 - r)

= (2x + 3 - 2x + 5) (3 - r)

= 8(3 - r)