SUM
POLYNOMIALS
1. (92+5b) + (2a+3b)
2. (5m-7n) + ( 8m+6n) + (3m-n)
3. (2x + 3x -4) + (3x2-2x +4)
4. (5+ 2463 -7y2) + (-6y3 +7y2 +5)
5. (2x% -6x-12x2-4) + (-11% +8% +2x2 + 6)
