SOLUTION: please help me to solve this problem: (-15y^2z) (-2y^2z^0) im confused, i don't know if i have to multiply or divide

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Question 558330: please help me to solve this problem: (-15y^2z) (-2y^2z^0) im confused, i don't know if i have to multiply or divide
Answer by JBarnum(1961) About Me  (Show Source):
You can put this solution on YOUR website!
first off its multiplication and z^0=1 since 1 is being multiplied and not added it isnt even needed and can be erased from problem because 1 times y = y
%28-15y%5E2z%29%28-2y%5E2%29
30y%5E%282%2B2%29z multiplying 2 negatives makes a possitive, and then need to add the like exponents
30y%5E4z