Question

Subtração de polinômios

(5x²-4x+9)-(8x3-6x+3)=

(6x²-6+9)-(2x-2y+5)=

(7x-4y+2)-(2x-2y+5)=

(4x-y-1)-(9x+y+3)=

Answer 1

1°) 5x² - 4×+9-(24-6x+3) = 5x² -4-9-(27-6x) = 5x²  - 4x9-27+6 = 5x² +2x-18

2°) (6x² +3) -2x+2y-5 = 6x² +3-2x+2y-5 = 6x² -2-2x+2y