2x2 + 6x - 1 = 0
(-6 +/- sqrt (36 - 8)) /4
( -6 +/- 5.29) / 4
-1.5 +/- 1.32
-2.82 or -0.18
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2x2-3 = -6x-2 2x2+6x-3+2 = 0 2x2+6x-1 = 0 When factored with the help of the quadratic equation formula: (2x-0.3166247904)(x+3.1583123952) = 0 Therefore: x = 0.1583123952 and also x = -3.1583123952
2x2 = 6x2x2 - 6x = 02x (x-3) = 0Now set each part being multiplied equal to zero separately: 2x=0 and x-3 = 0. That means x = 0, 3.
6x + 2 = 6 6x = 4 x = 2/3
3-6x = 15 -6x = 15-3 -6x = 12 x = -2
9x + 3 - 6x - 2 = 3x + 1