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One solution to a quadratic equation is x equals start fraction negative nine plus 21 i over three end fraction full stop What is the solution in simplified standard form, x = a + bi, if a and b are real
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One solution to a quadratic equation is x equals start fraction negative nine plus 21 i over three end fraction full stop What is the solution in simplified standard form, x = a + bi, if a and b are real numbers? Help please

User Bart Read
by
8.0k points

2 Answers

1 vote

Answer:

the answer is 72

Explanation:

User Tom Netzband
by
8.3k points
7 votes
( -9 + 21i) / 3

= -3 + 7i answer
User Altantur
by
8.6k points
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