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4x2 -x -1 :D
3x2-4x-4=0 (3x+2)(x-2)+0 x=-3/2, 2
If you meant 3x2 - 5x + 2, here is your answer 3x2 - 5x +2 = 0 => 3x2 - 3x - 2x + 2 = 0 => 3x(x-1) - 2(x-1) = 0 => (3x - 2) (x-1) = 0 => x = 2/3 or, x = 1
4x + 5 < 5x + 3 5 < x + 3 x > 2
5x + 3 = 4xSubtract 3 from each side:5x = 4x - 3Subtract 4x from each side:x = -3