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What are the roots of the equation x² - 12x + 72 = 0 in simplest a + bi form?
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5 votes
What are the roots of the equation x² - 12x + 72 = 0 in simplest a + bi form?

User Bret Walker
by
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1 Answer

5 votes

Explanation:


{x}^(2) - 12x + 36 = - 36


(x - 6) {}^(2) = - 36


(x - 6) {}^{} = 6i


x = 6 + 6i


x = 6 - 6i

User Paulthenerd
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