Poprosze o rozwiazanie zadania nr. 5 i 6.
Zad.5
(x+3)(x-3)-(x+4)²+(5x-1)²=x²-9-(x²+8x+16)+10x²-10x+1=x²-9-x²-8x-16+10x²-10x+1=10x²-18x-24
Zad.6
5/5-√2=5/5-√2*5+√2/5+√2= 25+5√2/25-2= 25+5√2/23
Proszę liczę na NAJ ;]
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Zad.5
(x+3)(x-3)-(x+4)²+(5x-1)²=x²-9-(x²+8x+16)+10x²-10x+1=x²-9-x²-8x-16+10x²-10x+1=10x²-18x-24
Zad.6
5/5-√2=5/5-√2*5+√2/5+√2= 25+5√2/25-2= 25+5√2/23
Proszę liczę na NAJ ;]