Question

1) Efetue:

a) (2x2 – 9x + 2) + (3x2 + 7x – 1) =

b) (5x2 – 5x - 8) + (2x2 + 3x – 2) =

c) (5x2 – 4x + 7) - (3x2 + 7x – 1) =

d) (6x2 – 6x + 9) - (3x2 + 8x – 2) =

e) (2x + 3) . (4x – 5) =

f) (3x + 5) . (x + 2) =

g) (x2 + 5x + 6) : (x + 2) =

Answer 1

a 16x+ 11

b 8x +4

c 11x-12

d 8x2-2x - 15

Harman