Simplify the expression
2x^2
Simplify the expression
x^4
Simplify the expression
5x^2+7x-20
Simplify the expression
3x^2+2x-3
Simplify the expression
14x-4
Simplify the expression
-x^2+x-1
Simplify the expression
7x^2+10x-2
Simplify the expression
Can't be simplified!
Simplify the expression
21x^2-28x
Simplify the expression
-18x^6-21x^5
Simplify the expression
x^2+5x+6
Simplify the expression
6x^2-x-2
Simplify the expression
6x^3+9x^2-12x+3
Simplify the expression
x^2-25
Simplify the expression
9x^2+6x+1
Simplify the expression
x^2-14x+49
