Seanpalmer14 Seanpalmer14

10-03-2020
Mathematics

contestada

What are the solutions of this quadratic equation? x2 + 8x + 3 = 0

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GameKnight31 GameKnight31

10-03-2020

Answer:

x = − 4 ± √ 19

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amna04352 amna04352

10-03-2020

Answer:

-4 + √13 ; -4 - √13

Step-by-step explanation:

x² + 8x + 3 = 0

(x² + 2(x)(4) + 4²) - 4² + 3 = 0

(x + 4)² -16 + 3 = 0

(x + 4)² = 13

x + 4 = √13

x = -4 + √13

x + 4 = -√13

x = -4 - √13

Answer Link

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