Question

当x=1时,代数式ax^3+bx+1的值为2010,那么当x=-1时,ax^3+bx+1的值为________

Answer 1

x=1时,代数式ax^3+bx+1的值为2010

a+b+1=2010

a+b=2009

x=-1时,ax^3+bx+1的值

=-(a+b)+1

=-2009+1

=-2008