Blast125
Blast125
20-03-2017
Mathematics
contestada
Please Help!
Find the product of (x + (3+5i))^2.
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juandavid1235
juandavid1235
20-03-2017
the answer is
25
i2
+
10i
x
+
x2
+
30i
+6x+9
Answer Link
ChandrikaP
ChandrikaP
20-03-2017
(x+(3+5i))^2
(a+b)^2=a^2+b^2+2ab
x^2+(3+5i)^2+2x(3+5i)
x^2+9-25+2*3*5i+6x+10xi
x^2-16+30i+10xi+6x
x^2+30i+10xi+6x-16
Answer Link
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