1.
{a^2+b^2=100
{a+b=14
2.
{a+b=49
{a^2+b^2=1681

1. a=14-b(14-b)^2+b^2=100196-28b+b^2+b^2=1002b^2-28b+96=0b^2-14b+48=0b1=6 a1=8b2=8 a2=62. a=49-b(49-b)^2+b^2=16812401-98b+b^2+b^2=16812b^2-98b+720=0b^2-49b+360=0b1=9 a1=40b2=40 a2=9