Question

Solve x2 + 8x + 8 = 0 by completing the square. Which equation is used in the process?

Answer 1

Explanation:

the answer is -1.18 or - 13.65

Answer 2

x² + 8x + 8 = 0

x² + 8x + 8 + 8 = 0 + 8

x² + 8x + 16 = 8

x² + 4x + 4x + 16 = 8

x(x) + x(4) + 4(x) + 4(4) = 8

x(x + 4) + 4(x + 4) = 8

(x + 4)(x + 4) = 8

(x + 4)² = 8