write (x+2)(x+3)(x+5) in the form ax^3+bx^2+cx+d

First take (x+2)(x+3) and expand to get x² +3x+2x+6, which can be simplified to equal x²+5x+6.Then mutiple x²+5x+6 by (x+5). This will give you x³+5x²+5x²+25x+6x+30. Simplify this to equal x³+10x²+31x+30.