Question

What is the standard form of `y= (2x+1)(3x-2)(2x+5)`?

Answer 1

`(2x+1)(3x-2)(2x+5)`
`(6x^2-4x+3x-2)(2x+5)`
`(6x^2-x-2)(2x+5)`
`12x^3-2x^2-4x+30x^2-5x-10`
`12x^3+28x^2-4x-5x-10`
`12x^3+28x^2-9x-10`

`12x^3+28x^2-9x-10=y`