Question

How do you multiply `(4x + 3) ( 3x ^ { 3} - 4x + 14)`?

Answer 1

`12x^4+9x^3-16x^2-44x+42`

Explanation:

`(4x+3)(3x^3-4x+14)=4x(3x^3-4x+14)+3(3x^3-4x+14)`
`=12x^4-16x^2+56x+9x^3-12x+42`
`=12x^4+9x^3-16x^2-44x+42`