(√2+√18)²/16=((√2)²+(√18)²)/16=(2+18)/16=20/16=1,25
(√7+√17)²/12+√119=(7+17)/12=2+√119
<span>√18-7x=x
</span>x+7x=√18
8x=√18
x=√
x=3√2//8
<span>
√4x+32/7=6
</span>2√x+32/7-6=0
2(√x+15/7-3)=0
√x+15/7-3=0
√x=3+15/7
√x=21/7+15/7
√x=36/7
x=1296/49
(√7+√17)²/12+√119=(7+17)/12=2+√119
<span>√18-7x=x
</span>x+7x=√18
8x=√18
x=√
x=3√2//8
<span>
√4x+32/7=6
</span>2√x+32/7-6=0
2(√x+15/7-3)=0
√x+15/7-3=0
√x=3+15/7
√x=21/7+15/7
√x=36/7
x=1296/49