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Answered by
11
Step-by-step explanation:
(i+1)(i+2)
i^2+2i+i+2
-1+3i+2
1+3i
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Answered by
11
Step-by-step explanation:
Given the algebraic expression
2 (a -3) + 4 b - 2 (a - b - 3) + 5
Multiply factors.
= 2 a - 6 + 4 b - 2 a + 2 b + 6 + 5
Group like terms.
=6
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