Question

simplify (a+b+c) (a+b+c)
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Answer 1

a²+b²-c²+2ab

Step-by-step explanation:

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Answer 2

Answer:

a² + b² + c² + 2ab + 2ac + 2bc

Or

a + b² + c² + 2(ab +bc + ca)

Step-by-step explanation:

(a+b+c) (a+b+c)

(a) (a+b+c) + (b) (a+b+c) + (c) (a+b+c)

a² + ab + ac + ab + b² + bc + ac +cb + c²

a² + b² + c² +ab + ab + ac + ac + bc + bc

a² + b² + c² + 2ab + 2ac + 2bc

Or

a + b² + c² + 2(ab +bc + ca)