growingideas
17.11.2020 •
Mathematics
ALGEBRA 2
*need work to be shown *
solve the following equation x^2 + 27=-9
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Ответ:
x = ± 6i
Step-by-step explanation:
Given
x² + 27 = - 9 ( subtract 27 from both sides )
x² = - 36 ( negative value indicates the solutions are complex )
Take the square root of both sides
x = ±
= ± 6i
Ответ:
b.
Step-by-step explanation: