Question

8. (a) Add : 3x2 - 8x + 6, 3x + 2x2 - 1, – 4x2 - 2x - 4
(b) What should be added to 9x2 + 5x – 1 to get 3x2 - x + 2?​

Answer 1

Step-by-step explanation:

Add : 3x2 - 8x + 6, 3x + 2x2 - 1, – 4x2 - 2x - 4

Add=

$x {}^{2} - 7x + 1$

b) get=(3x2 - x + 2)-(9x2 + 5x – 1)

get=

$- 6x {}^{2} - 6x + 3$