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Tresset [83]
3 years ago
12

I have NO idea how to do this to be honest.

Mathematics
2 answers:
kogti [31]3 years ago
7 0
15a^3 

:P............................
vazorg [7]3 years ago
4 0
(-5a)(-3a ²)
= 
15a³

-5 x -3 = 15 ( negative times negative = positive)
a x a² = a³ ( when multiplying exponents, you add the exponents together )
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