Question

How do you solve `(8x + 1) ( 5x - 7) = 0`?

Answer 1

`x=-1/8 or 7/5`

Explanation:

Because two terms are multiplied to equal 0, one of the terms must be 0.

So we set each term equal to 0, and simplify.
`8x+1=0`
`8x=-1`
`x=-1/8`

or...
`5x-7=0`
`5x=7`
`x=7/5`