The answer in decimal form is <span>: -1.6</span>
A laptop computer is purchased for $2700. Each year, it’s value is 70% of its value the year before after how many years will la
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Answer:
x = ± 2i
Step-by-step explanation:
The equation has no real roots, gut has complex roots
Given
x² = - 4 ( take the square root of both sides )
x = ±
= ±
[ Note that = i ]
= ± ×
= ± 2i