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Temka [501]
3 years ago
12

Simplify (2a+b)^2-(2a+b)(a-3b)​

Mathematics
1 answer:
saw5 [17]3 years ago
7 0

Answer:

Distribute:

4a^2+4ab+b^2+-2a^2+5ab+3b^2

Combine like terms:

(4a^2+2a^2)+(4ab+5ab)+(b^2+3b^2)

=2a^2+9ab+4b^2

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