Practice problem
Simplify the following expression by combining like terms: 3x3+2x2+x+7−x33x^3+2x^2+x+7-x^33x3+2x2+x+7−x3
2x3+2x2+x+72x^3+2x^2+x+72x3+2x2+x+7
5x9+75x^9+75x9+7
4x3+2x2+x+74x^3+2x^2+x+74x3+2x2+x+7
The expression can not be simplified.
Type a concept, like “slope” or “photosynthesis”.
