Multiply

-9w (-3w^8)

Simplify

3^2w^9

Step by step solution:

Step 1:

Equation at the end of step 1:

0 - (9w • (0 - 3w8))

Step 2:

Multiplying exponential expressions:

2.1 w1 multiplied by w8 = w (1 + 8) = w9

Multiplying exponents:

2.2 32 multiplied by 31 = 3 (2 + 1) = 33

Equation at the end of step 2:

0 - - 33w9

Step 3:

Final result:

33w9