Practice problem
What is the sum of the polynomials x3+10x2+5x+2x^3 +10x^2 + 5x + 2x3+10x2+5x+2 and x3+4x+1x^3 + 4x + 1x3+4x+1?
2x3+10x2+7x+32x^3 + 10x^2 + 7x + 32x3+10x2+7x+3
2x3+10x2+9x+32x^3 + 10x^2 + 9x + 32x3+10x2+9x+3
x3+9x2+2x+1x^3 + 9x^2 + 2x + 1x3+9x2+2x+1
x3+9x2+3x^3 + 9x^2 + 3x3+9x2+3
Type a concept, like “slope” or “photosynthesis”.