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8x-4
4
(2x + 1)(2x + 1) or (2x + 1)2
x=1
x = 0
4x + 1 = 2x + 5 4x + 1 - 2x = 2x + 5 - 2x 2x + 1 = 5 2x + 1 - 1 = 5 - 1 2x = 4 2x/2 = 4/2 x = 2
4x2 + 12x + 5 = 4x2 + 2x + 10x + 5 = 2x(2x+1) + 5(2x+1) = (2x+1)(2x+5)
14
(2x + 3)(x + 1 ) = 2x^2 +5x +3
4x-1=2x+1
2x2 + 2x = 2x(x+1)
x=5.54x+1= 2x+12-1 -14x=2x+11-2x -2x2x=11/2 /2x=5.5