In Matemáticas / Bachillerato | 2025-08-13

a) (-9x3 +7x-5x+3) +(13x3 +4x2-8x-6)

b) (7x3-8x2+9x -6) -(2x3 -6x2- 3x+9)

c) (5x2 +4x -3) +(2x2 -x +7)

d) (3x2-5x +8) -(x2 +2x -6)

Asked by Lilbokell