Question

How do you multiply `(2x - 1) ( 4x ^ { 2} - 3x - 7)`?

Answer 1

`(2x-1)(4x^2-3x-7)=8x^3-10x^2-11x+7`

Explanation:

Use distribution property:

`(2x-1)(4x^2-3x-7)=2x(4x^2-3x-7)-1(4x^2-3x-7)`
`=8x^3-6x^2-14x-4x^2+3x+7`
`=8x^3-10x^2-11x+7`