1)
x²+3√2x + 4 = 0
D = 18-16 = 2
x1 = (-3√2-√2)/2 = -4√2 / 2 = -2/2
x2 = (-3√2+√2)/2 = -2√2 / 2 = -√2
2)
4x²-1+x²-x = 2x²+2x
3x²-3x - 1 = 0
D = 9 + 12 = 21
x = (3±√21)/6
1)
x²+3√2x + 4 = 0
D = 18-16 = 2
x1 = (-3√2-√2)/2 = -4√2 / 2 = -2/2
x2 = (-3√2+√2)/2 = -2√2 / 2 = -√2
2)
4x²-1+x²-x = 2x²+2x
3x²-3x - 1 = 0
D = 9 + 12 = 21
x = (3±√21)/6