February 2019 0 28 Report
Uprość wyrażenie, a następnie oblicz jego wartość dla podanego x

a) ( \sqrt{2}-x)^{2}-(2x^{3}+1) (2x^{3}-1), x= \sqrt{2}
b) (x+2)^{2}-(3x+2)(2-3x)-( \sqrt{3}+x)^{2} , x= \sqrt{3}
c) (x-3)^{2}+ \sqrt{5}(2x+ \sqrt{5} )( \sqrt{5}-2x)-(1-x)^{2}, x=- \sqrt{5}
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