Practice problem
Simplify x2+y2+y1+4y1+x+x2x^2 + y^2 + y^1 + 4y^1 + \frac{x+x}{2}x2+y2+y1+4y1+2x+x by combining like terms.
1.5x2+6y21.5x^2 + 6y^21.5x2+6y2
x2+y2+x+5yx^2 + y^2 + x + 5yx2+y2+x+5y
3x+7y3x + 7y3x+7y
None of the above
Type a concept, like “slope” or “photosynthesis”.
