Question

Add 7x2 - 4x +5, -3x 2 + 2x – 2 and 7x2 – 2x – 9.​

Answer 1

$7 {x}^{2} - 4x + 5 \\ - 3 {x}^{2} + 2x - 2 \\ 7 {x}^{2} - 2x - 9 \\ - - - - - - - \\ 11 {x}^{2} - 4x - 6$

Answer 2

Answer:16 -4x

Step-by-step explanation:

7x2 - 4x +5, -3x 2 + 2x – 2 and 7x2 – 2x – 9

14 -4x +5. , -6 + 2x -2 and 14 -2x -9

arrange them according to like terms:

14 -6 +14. -4x +2x -2x. 5 -2 -9 28-6.

-4x. -6 28 -6 -6 -4x 28 -12 -4x 16 -4x

HOPE IT HELPS ✨