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Kaylis [27]
3 years ago
9

Which equation has the same solution as x2 + 16x + 9 = -3?

Mathematics
1 answer:
wolverine [178]3 years ago
8 0

Answer:

Step-by-step explanation:

x² + 16x + 9 = - 3

x² + 16x + 12 = 0

D = 16² - 4(1)(12) = 208

√D = 4√13

x_{1} = ( - 16 - 4√13 ) ÷ 2 = <em>- 8 - 2√13</em> ≈ - 15.21

x_{2} = ( - 16 + 4√13 ) ÷ 2 = <em>2√13 - 8</em> ≈ - 0.79

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