Description
Solve 2x2 + 4x +10 = 0 using the Quadratic Formula.
A: {–1 + 2i, –1 – 2i}
B; {–2 + 4i, –2 – 4i}
C: {–4 + 8i, –4 – 8i}
D: {i, –3i}
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Explanation & Answer
2x2+4x+10= 2(x22x+5) = 2 {(x+1}2+4}=0
(x+1)2 = -4
(x+1)2 = (2i)2
x+1= ±2i
x = -1±2i
Option A
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