Question

How do you solve `x^2+1.4x=1.2` by completing the square?

Answer 1

`x=-0.6 or x=-2`

Explanation:

`x^2+1.4x=1.2`

`(x^2+1.4x-1.2=0`

`(x-0.6)(x+2)`

`x-0.6=0`

`x=0.6`

`x+2=0`

`x=-2`