Question

Solve 2x2 + 12x − 14 = 0 by completing the square.
2(x + 6)2 = 26; x = −6 + square root 13, x = −6 − square root 13

2(x + 6)2 = 20; x = −6 + square root 20, x = −6 − square root 20

2(x + 3)2 = 32; x = 1, x = −7

2(x + 3)2 = 32; x = 13, x = 19

Answer 1

Solve \[2x^2 +12x -14 =0\] by completing the square