Question

How do you find the solution to the quadratic equation `x^2+ x - 42 = 0`?

Answer 1

Factor the expression on the left side:
`x^2+x-42 = 0`

`(x+7)(x-6) = 0`

So either `(x+7)=0` or `(x-6)=0`

`x=-7` or `x=+6`