Practice problem
What is the full expansion of (x+3)3(x+3)^3(x+3)3?
x3+9x2+27x+27x^3 + 9x^2 + 27x + 27x3+9x2+27x+27
x3−9x2−27x+27x^3 - 9x^2 - 27x + 27x3−9x2−27x+27
x3+9x2+18x+27x^3 + 9x^2 + 18x + 27x3+9x2+18x+27
x3+9x2+18x+3x^3 + 9x^2 + 18x + 3x3+9x2+18x+3
Type a concept, like “slope” or “photosynthesis”.