Question

efetue os seguintes polinômios
a) (7x²−5x+4)+(2x²+8x−2)=
b) (8x²−3x +5)−(−2x ²−6x+4)=
c) (2x²−5x+9)+(−4x²−2x−4)=
d)(15x²−3x+7)+(−3x²+6x−8)=​

Answer 1

a) (7x²−5x+4)+(2x²+8x−2) =

7x²−5x+4+2x²+8x−2

9x²+3x+2

b) (8x²−3x +5)−(−2x ²−6x+4)=

8x²-3x+5+2x²+6x-4

10x²+3x+1

c) (2x²−5x+9)+(−4x²−2x−4)=

2x²−5x+9−4x²−2x−4

-2x²-7x+5

d)(15x²−3x+7)+(−3x²+6x−8)=

15x²−3x+7−3x²+6x−8

12x²+3x-1

❤️ Feito com carinho ❤️

29/10/21