Question

2
Evaluate (4a+5b+2c)whole square​

Answer 1

Answer:

16a² + 25b² + 4c² + 40ab + 20bc + 16ac

Step-by-step explanation:

(4a)² + (5b)² + (2c)² + 2(4a)(5b) + 2(5b)(2c) + 2(2c)(4a) = 16a² + 25b² + 4c² + 40ab + 20bc + 16ac

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