avajade906 avajade906

17-06-2022
Mathematics

contestada

Simplify (2-7i)+(3+9i) step by step

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jordenpl060 jordenpl060

17-06-2022

Answer:

first identify the like terms;

(2-7i)+(3+9i)

(2+3-7i+9i)

5+2i

Answer Link

TheProtege TheProtege

17-06-2022

Answer:

5 + 2i

Step-by-step explanation:

1) Remove parentheses

2 - 7i + 3 + 9i

2) Collect like terms

(2 + 3) + (-7i + 9i)

3) Simplify

5 + 2i

Answer Link

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