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Complex Roots What are the roots of the Equation 4x^2 + 12x + 15 = 0 in simplest a + bi form?

Complex Roots What are the roots of the Equation 4x^2 + 12x + 15 = 0 in simplest a + bi form?
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Complex Roots

What are the roots of the Equation 4x^2 + 12x + 15 = 0 in simplest a + bi form?

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User Baodad
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1 Answer

5 votes

Answer:

See below

Explanation:

QF


x = (-12+-√(12^2 -4(4)(15)) )/(2(4)) \\x = (-12 +-√(-96) )/(8) \\x = (-12+-4√(6)i)/(8) \\x = -(3)/(2) + (4√(6)i)/(8) \\x = -(3)/(2) - (4√(6)i)/(8) \\

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User Martin Calvert
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