Mathematics, 08.07.2019 20:00 chrischris1
Lisa solved 3x2 + 1 = 28 as shown. 3x2 + 1 = 28 3x2 = 27 x2 = 9 she concluded that the solutions to this quadratic equation are x = -9 or x = 9. using a complete sentence, explain what mistake she made. answer below
Answers: 1
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Lisa solved 3x2 + 1 = 28 as shown. 3x2 + 1 = 28 3x2 = 27 x2 = 9 she concluded that the solutions to...
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