SOLUTION: Please, could you help with this? I need to simplify each expression 1. (2+3i)(4+5i) 2. (1+2i)(6-2i) 3.( 3-6i) (6-2i) Thank you so much!

Question 527593: Please, could you help with this?
I need to simplify each expression
1. (2+3i)(4+5i)
2. (1+2i)(6-2i)
3.( 3-6i) (6-2i)
Thank you so much!
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Please, could you help with this?
I need to simplify each expression
1. (2+3i)(4+5i)
2. (1+2i)(6-2i)
3.( 3-6i) (6-2i)
----------------
Multiply them.
1. (2+3i)(4+5i)
= 8 + 22i + 15i^2
i^2 = -1
= 8 + 22i - 15
= -7 + 22i
------------
2. (1+2i)(6-2i)
3.( 3-6i) (6-2i)

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