Question

Use completing square method to solve for X in.
½ x² – ⁵/_2x + 1 =0 

Answer 1

x² – 5x + 2 =0
x² – 5x + C = −2 + C
x² – 5x + (⁵/₂)² = −2 + 6.25
(x – ⁵/₂)² = 4.25
X – 2.5 = ±2.061
X = ±2.061 + 2.5
X= 2.561 or 0.439