Wyznacz x z podanego równania:
(x + 3√3) · (2 - √3) = 4 + √3
(x+3√3)(2-√3)=4+√3 /:(2-√3)
x+3√3=[(4+√3)(2+√3)]/[(2-√3)(2+√3)]
x+3√3=(8+4√3+2√3+3)/(4-3)
x+3√3=6√3+11
x=6√3+11-3√3
x=3√3+11
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(x+3√3)(2-√3)=4+√3 /:(2-√3)
x+3√3=[(4+√3)(2+√3)]/[(2-√3)(2+√3)]
x+3√3=(8+4√3+2√3+3)/(4-3)
x+3√3=6√3+11
x=6√3+11-3√3
x=3√3+11