2x2 - 6x + 4 = 0
2(x2 - 3x + 2) = 0
2(x - 1)(x - 2) = 0
x - 1 = 0 and x - 2 = 0
So, x = 1 and x = 2.
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2x + 7 = 1 Therefore, 2x = -6 x = -6/2 x = -3
-2y square exp power -2x-1
3x-2 = 2x+3 3x-2x = 3+2 x = 5
x2 + 2x - 15 = 0(x + 5) (x - 3) = 0x = -5x = +3
x=1