3 years ago

Can somebody help me with this problem? I'd greatly appreciate it!

Mathematics

2 answers:

alexira [117]3 years ago

8 0

Answer:

-3a²+2ab+b²

Step-by-step explanation:

klasskru [66]3 years ago

5 0

Answer:

-3a^2 + 2ab + b^2

Step-by-step explanation:

Removing the second parentheses makes no difference to the signs inside because their are preceded by a '+'.

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