Given 2x² = -8, x is ____
2 answers:
Answer:
2x² = -8
x² = -4
The answer is no real solutions (x ∉ R) because a perfect square cannot be negative.
Answer:
No real solutions, but there are complex solutions
x=2i and x = -2i.
Step-by-step explanation:
2x² = - 8
x² = - 4
x = +/- √(-4)= +/-√[(-1)*4] = +/-[√4 *√(-1)] = +/- [2*i]
x=2i and x = -2i
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