Wylacz czynnik przed nawias i przeprowadz redukcje wyrazow podobnych: W=3√18+4√2 -3√50
W=3√18+4√2 -3√50=3√9*2 +4√2 -3√25*2 = 3*3√2 +4√2 -3*5√2= √2(9+4-15)= √2(-2)=-2√2
W= 3√2*9 + 4√2 -3 √2*25
W=3*3√2+4√2-3*5√2
W=9√2+4√2-15√2
W= √2(9+4-15)
W=√2 *(-2)
W=-2√2
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W=3√18+4√2 -3√50=3√9*2 +4√2 -3√25*2 = 3*3√2 +4√2 -3*5√2= √2(9+4-15)= √2(-2)=-2√2
W= 3√2*9 + 4√2 -3 √2*25
W=3*3√2+4√2-3*5√2
W=9√2+4√2-15√2
W= √2(9+4-15)
W=√2 *(-2)
W=-2√2