Seudónimo Seudónimo

06-07-2020
Mathematics

contestada

Solve x^2 + 6x - 5 = 0 by completing the square.

Solve x2 6x 5 0 by completing the square class=

Respuesta :

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06-07-2020

Answer:

(x + 3)² = 14

Step-by-step explanation:

x² + 6x - 5 = 0

Add 5 and 9 on both sides.

x² + 6x + 9 = 14

Factor left side.

(x + 3)² = 14

Take the square root on both sides.

(x + 3) = ±√14

Subtract 3 on both sides.

x = -3 ±√14

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