October 2018 1 23 Report

Uprość wyrażenie,a następnie oblicz jego wartość dla podanej wartości x.

a)(x+3)^2-(x-4)^2+2x \\ dla\ x= \sqrt{5}

b) (x-\sqrt{2})^2-(x+\sqrt{2}^2+\sqrt{18}x \\ dla\ x=\frac{\sqrt{6}} {2}

c)(3x-\sqrt{3})^2+(4x+\sqrt{3})^2-(5x-\sqrt{3})^2 \\ dla\ x=-\frac{\sqrt{3}}{4}

d)(\sqrt{5}+2x)(2x-\sqrt{5})-(2x-\sqrt{5})^2 \\dla\ x=\sqrt{10}


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