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

User Dival
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1 Answer

21 votes
21 votes


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


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


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


{x}^(2) = 7


x = √(7)

User Damian Esteves
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