Question

What is...
2x exponent 2) + 7x - x(exponent2)+ 2x=
What is 5x(exponent3) + 2x(exponent2) + 8+5x(exponent2)=

Answer 1

2x exponent 2) + 7x-x(exponent 2)+2x =
x (exponent 2)+9x
5x(exponent3) + 2x (exponent 2)+ 8 +5x (exponent 2)=
5x(exponent 3) +7x(exponent2)+9