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Simplify (3+2i)^2 5 - 12i 5 + 12i 9 - 4i 9 + 4i
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Hint: (3+2i)^2=(3+2i)(3+2i)
based from this, can you solve? if not, let me know and i will teach you :D
do you add or multiply?
@Jamierox4ev3r
you would multiply
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9+4i..?
i was factoring at first
i^2 becomes -1
(3+2i)(3+2i) 9+6i+6i+4i^2
not necesarily @musiklover317
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9+6i+6i+4i^2 9+12i+4i^2
4i^2 = -4
here is the answer in simplest form: 4i^2+12i+9
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