Answer:
1. 2a+2b
2. 2a-2b
3. a^2+ab^2
4. 3x+3y
5. 3a-3b
6. 2a+2b+2c
Step-by-step explanation:
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Answer:
1. 2a+2b
2. 2a-2b
3. a^2+ab^2
4. 3x+3y
5. 3a-3b
6. 2a+2b+2c
Step-by-step explanation:
=(a+b)(a+b)
=(a)(a)+(a)(b)+(b)(a)+(b)(b)
=a2+ab+ab+b2
=a2+2ab+b2
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