(1-2x)²-3(x+√2)(x-√2)
1-4x+4x²-3(x²-2)
1-4x+4x²-3x²+6
x²-4x+7
2²-4*2+7
4-8+7
3
odp. c
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(1-2x)²-3(x+√2)(x-√2)
1-4x+4x²-3(x²-2)
1-4x+4x²-3x²+6
x²-4x+7
2²-4*2+7
4-8+7
3
odp. c