1.√2-2x²=(√2-2)x 2.4(x-1)²=2(x-1)用因式分解法解

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1.√2-2x²=(√2-2)x 2.4(x-1)²=2(x-1)用因式分解法解
1.√2-2x²=(√2-2)x 2.4(x-1)²=2(x-1)用因式分解法解

1.√2-2x²=(√2-2)x 2.4(x-1)²=2(x-1)用因式分解法解
√2-2x²=(√2-2)x
√2-2x²-(√2-2)x =0
√2-2x(X-1)=0
X1=0 X2=1
4(x-1)²=2(x-1)
4(x-1)²-2(x-1)=0
2(X-1)[2(X-1)-1]=0
2(X-1)(2X-3)=0
X1=1 X2=1.5