Question

$x {}^{2} - 6x - 18 = 0$
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Answer 1

Answer:

x²-6x-18=0

x=[-(-6)+-√(6)²-4×-18]/2×1

x=(6+ -√36+72)/2

x=(6+ -√108)/2

x=(6+ -6√3)/2

x=2(3+ -√3)/2

x=3+ -√3

x=3+√3

x=3-√3

Step-by-step explanation:

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