若2(x²+3)的值与3(1-x²)的值互为相反数,求x²分之x+3的值?

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若2(x²+3)的值与3(1-x²)的值互为相反数,求x²分之x+3的值?若2(x²+3)的值与3(1-x²)的值互为相反数,求x²分之x+

若2(x²+3)的值与3(1-x²)的值互为相反数,求x²分之x+3的值?
若2(x²+3)的值与3(1-x²)的值互为相反数,求x²分之x+3的值?

若2(x²+3)的值与3(1-x²)的值互为相反数,求x²分之x+3的值?
X的平方为9；
X+3有两个结果：一个为0；另外一个为6.