2x²-10x+12=0(因式分解)
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2x²-10x+12=0(因式分解)
2x²-10x+12=0(因式分解)
2x²-10x+12=0(因式分解)
2x" - 10x + 12 = 0
2 (x" - 5x + 6) = 0
x" - 2x - 3x + 6 = 0
x(x - 2) - 3(x - 2) = 0
(x - 2)(x - 3) = 0
x1 = 2
x2 = 3