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= ( - 16 - 4√13 ) ÷ 2 = - 8 - 2√13 ≈ - 15.21 
= ( - 16 + 4√13 ) ÷ 2 = 2√13 - 8 ≈ - 0.79 Another question on Mathematics
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Which equation has the same solution as x2 + 16x + 9 = -3?...
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