Question

√2x-1 = x - 3


me ajudemmm!!

Answer 1

x-3 = √2x-1
(x-3)² = (√2x-1)²
x²-6x+9 = 2x-1
x² -8x +10 = 0
∆= 64 -40 = 24 => √∆=√4.6 = 2√6
x' = 8+2√6/2 = 4+√6 ✓
x" = 8-2√6/2 = 4-√6 ✓