-5 + i / 2i
-5 + i (2i) / 2i (2i)
-10i + i^2
i^2 - 10i
6 1/10 + 5 9/12 = 11 17/20
Answer:
1.84
Step-by-step explanation:
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Answer:
The expression becomes 3(x+5) = 3x+15
(x+2)^3=x^3+2^3+3*x^2*2+3x*2^2=x^3+8+6x^2+12x
The coeficient of the x^2 is 6.
