Question

Subtract (3a^2+6b^2−9c^2) from (−10b^2+3a^2+6c^2).

Answer 1

Answer:

-16b² + 15c²

Step-by-step explanation:

(−10b^2+3a^2+6c^2) -  (3a^2+6b^2−9c^2)

open brackets

-10b² + 3a² + 6c² - 3a² - 6b² + 9c²

= -16b² + 15c²