1.已知2a^2-3a+5=0,求4a^4-12a^3+9a^2-10的值.2.已知a^2-2a=6,则2/3a^2-4/3a+2007=____.2/3=三分之二,4/3=三分之四.

问题描述:

1.已知2a^2-3a+5=0,求4a^4-12a^3+9a^2-10的值.2.已知a^2-2a=6,则2/3a^2-4/3a+2007=____.
2/3=三分之二,4/3=三分之四.