Question

Expand and combine like terms.
(9c^2+c^6)(9c^2-c^6

Answer 1

Answer: 81 c^4 - c^12

Explanation:

(9c^2+c^6)(9c^2-c^6)

Step-by-step explanation: (9c^2+c^6)(9c^2-c^6)

This is the difference of squares

(a+b) (a-b) = a^2 - b^2

(9c^2) ^2 - ( c^6)^2

81 c^4 - c^12

Answer 2

Answer: -c^12+9c^4

Explanation: