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

Question

Kaitlin Nielsen

Mathematics

3 July, 06:57

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

+3

Answers (2)

Know the Answer?

Kaiden Barnes · Answer 1

-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

Jaiden Gray · Answer 2

x = - 4 ± √ 19