(a+2b+2c)^2 can anyone answer this
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Answer:
a²+4b²+4c² +4ab +8bc+4ac
Step-by-step explanation:
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➡ (a + 2b + 2c)²
- (a + b + c)² = a²+b²+c² + 2ab + 2ac + 2ac
➡ (a)² + (2b)² + (2c)² + 2(a)(2b) + 2(2b)(2c) + 2(a)(2c)
➡ a² + 4b² + 4c² + 4ab + 8bc + 4ac
Step-by-step explanation:
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