Rozwiąż równanie.
w załaczniku rozwiązanie
2x√2+2x√2 -2x =-2
2x(√2+√2-1)=-2
2x(2√2-1) =-2 /:2
x(2√2-1) =-1 /:(2√2-1)
x=-1/(2√2-1) * (2√2+1)/(2√2+1)
x=-(2√2+1)/(8-1)
x=-(2√2+1)/7
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w załaczniku rozwiązanie
2x√2+2x√2 -2x =-2
2x(√2+√2-1)=-2
2x(2√2-1) =-2 /:2
x(2√2-1) =-1 /:(2√2-1)
x=-1/(2√2-1) * (2√2+1)/(2√2+1)
x=-(2√2+1)/(8-1)
x=-(2√2+1)/7