Hello, could someone answer this question for me please?
simplify (1 + i) + (-2 + i).

- 1 + 2i

Step-by-step explanation:

Given

(1 + i) + (- 2 + i) ← remove parenthesis

= 1 + i - 2 + i ← collect like terms

= - 1 + 2i

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it would open into a square depending on the type of envelope i’m not sure about the second part