Question

How do you multiply `(3x - 1) ( 5- 4x )`?

Answer 1

result : `-12x^2 +19x -5`

Explanation:

`(3x-1)(5-4x) = 3x(5-4x) -1(5-4x)`
`= 15x - 12x^2 -5 +4x = -12x^2 +19x -5`