Question

x^2+ 12x = 3 resuelta ala complementacion al cuafrafo

Answer 1

${x}^{2} + 12x - 3 = 0 \\ {(x + 6)}^{2} - 36 - 3 = 0 \\ {(x + 6)}^{2} = 39 \\ x + 6 = \sqrt{39 } \\ x = \sqrt{39} - 6$