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Which statement about the following equation is true? 2x2 – 9x 2 = –1
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Which statement about the following equation is true? 2x2 – 9x 2 = –1

User Christian Seitz
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1 Answer

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{2x}^(2) - {9x}^(2) = - 1


{ - 7x}^(2) = - 1


{x}^(2) = - 7 * - 1


{x}^(2) = 7


x = √(7)

User Mohanad Kaleia
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