The quadratic expression 2x² + 6x + 18 = 0 has only complex solutions.
( -1.5 ± 2.5980762113533i ) - because the b value (6) cannot be obtained as a sum of real factors.
* Conversely, 2x² + 12x + 18 has one solution (-3)
Chat with our AI personalities
200x
8x3 + 4x2 + 6x + 3 = 4x2(2x + 1) + 3(2x + 1) = (2x + 1)(4x2 + 3)
4x3+10x2-6x 2x(2x2+5x-3) 2x(2x-1)(x+3)
(2x-4)(x-1) = 0
(2x - 1)(6x + 5)