\(=2x^3+2x^2-9x^2-9x+10x+10\)
\(=2x^2\left(x+1\right)-9x\left(x+1\right)+10\left(x+1\right)\)
\(=\left(x+1\right)\left(2x^2-9x+10\right)\)
\(=\left(x+1\right)\left[\left(2x^2-4x\right)-\left(5x-10\right)\right]\)
\(=\left(x+1\right)\left[2x\left(x-2\right)-5\left(x-2\right)\right]\)
\(=\left(x+1\right)\left(x-2\right)\left(2x-5\right)\)