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Answer:
x = -√4.8, √4.8 or -2.191, 2.191 o the nearest thousandth.
Explanation:
x^2 + 2x2x = 24
x^2 + 4x^2 = 24
5x^2 = 24
x^2 = 24/5 = 4.8
x = -√4.8, √4.8.
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