Find the truth set of the equation x2 = 3(2x + 9)

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Find the truth set of the equation x² = 3(2x + 9)

{x : x = 3, x = 9}

{x : x = -3, x = -9}

{x : x = 3, x = -9}

{x : x = -3, x = 9}

Quadratic Equations

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