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Piz look at the pic piz \: help \:me \: thx ​
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Piz look at the pic



piz \: help \:me \: thx
​

Piz look at the pic piz \: help \:me \: thx ​-example-1
User Matt Ingenthron
by
4.3k points

1 Answer

4 votes

Answer:

-12a²+9a-5

Explanation:

-7a²+3a-9 - (5a²-6a-4)=

-7a²+3a-9-5a²+6a+4=

-12a²+9a-5

User Chinthaka Dharmasiri
by
4.4k points
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