## Algebra and Trigonometry 10th Edition

$(a+5)^5=a^5+25a^4+250a^3+1250a^2+3125a+3125$
Fifth row of Pascal's Triangle: $1~~5~~10~~10~~5~~1$ $(a+5)^5=(1)a^5+(5)a^4(5)^1+(10)a^3(5)^2+(10)a^2(5)^3+(5)a^1(5)^4+(1)(5)^5=a^5+25a^4+250a^3+1250a^2+3125a+3125$