Question

*是一种新规定的运算法则a*b=a²+2ab.比如3*(-2)=3²+2×3×(-2)=-3试求2*

Answer 1

2*（-1）=2^2+2×2×(-1)=0

2*x=2

4+4X=2

X=-12

（-2）*x=-2+x

4-4X=-2+x

x=65