Question

What is the solution set of `-2x ^ { 2} + 12x = 0`?

Answer 1

`x=0` or `x=6`

Explanation:

`-2x^2+12x=0` can be written as

`2x×(-x)+2x×6=0`

or `2x(-x+6)=0`

As product of `2x` and `(-x+6)` is zero, therefore

either `2x=0` i.e. `x=0`

or `-x+6=0` i.e. `x=6`.