Mathematics, 05.10.2020 15:01 mati7itam

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (–1 + i) + (21 + 5i)? (–1 + i) + (21 + 5i) + 0
–1 + (i + 21) + 5i
(–1 + 21) + (i + 5i)
–(1 – i) + (21 + 5i)

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Which expression demonstrates the use of the commutative property of addition in the first step of s...