Rozwiąż równania:
1. 3-(2-x)³=x(x-√8)(x+√8)-6x²
2. 2x(x-1)=4(x+1)²-2x²
3.2x+6=3-√3x
4. 6-(2x+4)=√6(4-x)
5.6x+12+a=1-(x+a), jezeli a=(1-√3)²
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1. 3-(2-x)³=x(x-√8)(x+√8)-6x²
3-8+12x-6x²+x³=x³-8x-6x²
-5+20x=0
20x=5 |:20
x=1/4
==========================
2. 2x(x-1)=4(x+1)²-2x²
2x²-2x=4x²+8x+4-2x²
-10x=4 |:(-10)
x=-2/5
==========================
3.2x+6=3-√3x
2x+√3x=-3
x(2+√3)=-3 |:(2+√3)
x=-3/[2+√3] * [2-√3]/[2-√3]
x=-3[2-√3]/-1
x=3(2-√3)
==========================
4. 6-(2x+4)=√6(4-x)
6-2x-4-4√6+√6x=0
x(√6-2)=4√6-2 |:(√6-2)
x=[4√6-2]/[√6-2] * [√6+2]/[√6+2]
x=[32-6√6]/4
x=[16-3√6]/2
==========================
5.6x+12+a=1-(x+a), jezeli a=(1-√3)²
6x+x=-11-2a
7x=-11-2(1-√3)²
7x=-11-2+4√3-6
7x=-19+4√3 |:7
x=[4√3-19]/7