а) 3x^2 = 0x^2 = 0x = 0
б) 2x^2 - 4x = 02x(x - 2) = 0x = 0 or x = 2
в) 8x^2 = 1x^2 = 1/8x = ±√(1/8)x = ±1/√8x = ±1/(2√2)x = ±1/(2*1.414)x = ±1/2.828x = ±0.353 or x = ±0.353
а) 3x^2 = 0
x^2 = 0
x = 0
б) 2x^2 - 4x = 0
2x(x - 2) = 0
x = 0 or x = 2
в) 8x^2 = 1
x^2 = 1/8
x = ±√(1/8)
x = ±1/√8
x = ±1/(2√2)
x = ±1/(2*1.414)
x = ±1/2.828
x = ±0.353 or x = ±0.353