x=1.6225
(2, -1)
x + 2 = 3x-1 -2x = -3x = 1,5
1 and 1/2
3x+1+2x-2 = 64 3x+2x = 64-1+2 5x = 65 x = 13
x = 2
3x + 2 = 3x + 6 This is not possible.
5=3x+2 3x+2-2=5-2 3x=3 ------ 3 x=1
(-1, 0)
(3x + 1)(4x - 1)(x - 2)
x-2=3x+1 x=3x+1+2 x-3x=3 -2x=3 x=-3/2
x3+3x2+3x+2 divided by x+2 equals x2+x+1
3x+5=2, 3x=2-5 (sign changes) 3x=-3 x=-1