sid wrote 541,309 on his paper.using numbers and words,explain how the number would change if he exchanged the digits in the hun
2 answers:
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Answer:
Step-by-step explanation:
(1) (x-2+2i) (x-2-2i)
Multiply each term inside second parenthesis
Combine like terms. the value of i^2=-1
(2) (x+2i)(x-2i)
Replace i^2 by -1
(3) (x+1+i)(x+1-i)
Multiply each term inside second parenthesis
Combine like terms. the value of i^2=-1