(a2+b2-2 ab+4) (a +2)
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Answered by
3
Answer:
2a^2 - 2ab^2+ 2ab+4a+ 4a+4b-4ab-8
Answered by
0
Answer:
A2+B2-2AB+4×A+2=A2+B2-2AB+8×A
Step-by-step explanation:
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