Question

Find the sum of 5x²;-7x²;8x²;11x² and -9x²​

Answer 1

Answer:

$1) \: 10$

$2) - 14$

$3)16$

$4)22$

$5) - 18$

Step-by-step explanation:

The sum of all ,

$10 + ( - 14) + 16 + 22 + ( - 18)$

$= 10 - 14 + 16 + 22- 18$

$= 10 - 14 + 38 - 18$

$- 14 + 20$

$= 16$