Question

How do you solve `4x²+x=9+x`?

Answer 1

`x= -3/2`, `x= 3/2`

Explanation:

bring all to one side
`4x^2 + x -x -9 = 0`
combine the like terms
`4x^2 -9=0`
factor it `(a^2-b^2 = (a+b)(a-b))`
`(2x+3)(2x-3)`