1.Doprowadz wyrazenia do najprostszej postaci:
2(√5x+√2y)²-3(√2x-√5y)²=wynik ma wyjsc 4x²-11y²+10√10xy
2(5x²+2√10xy+2y²)-3(2x²-2√10xy+5y²)= 10x²+4√10xy+4y²-6x²+6√10xy-15y²=4x²+10√10xy-11y²
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2(5x²+2√10xy+2y²)-3(2x²-2√10xy+5y²)= 10x²+4√10xy+4y²-6x²+6√10xy-15y²=4x²+10√10xy-11y²