(X-1)(X-5)=-3 (X+1)²=4X
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(X-1)(X-5)=-3(X+1)²=4X(X-1)(X-5)=-3(X+1)²=4X(X-1)(X-5)=-3(X+1)²=4X(X-1)(X-5)=-3X²
(X-1)(X-5)=-3 (X+1)²=4X
(X-1)(X-5)=-3 (X+1)²=4X
(X-1)(X-5)=-3 (X+1)²=4X
(X-1)(X-5)=-3
X²-6X+5=-3
X²-6X+8=0
(X-2)(X-4)=0
X=2,X=4
(X+1)²=4X
X²+2X+1=4X
X²-2X+1=0
(X-1)²=0
X-1=0
X=1
1、x²-6x+5=-3
x²-6x+8=0
(x-2)(x-4)=0
∴x=2 x=4
2、x²+2x+1=4x
x²-2x+1=0
(x-1)²=0
∴x=1
(X-1)(X-5)=-3
x²-5x-x+5+3=0
x²-6x+8=0
(x-2)(x-4)=0
x1=2, x4
(X+1)²=4X
x²+2x+1-4x=0
x²-2x+1=0
(x-1)²=0
x1=x2=1
*-----------------------------------------------*| 6 4 X | 8 X X | X X 5 || X X X | X X X | X 7 8 || X X X | X X X | X X X ||---------------+---------------+--------------- || X X X | X X X | 5 1 X || X X X | X 6 X | X X X || 8 X X | 3 5 X | 2 X X ||
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