posted by NeedHelp 1 .
It would be appreciated if you show the steps. Need this ASAP...Thanks (:
(2x + 5)(4x - 1)
My method or steps is trial and error.
You need to find factors of 8x^2 that also add to 18x. The same for factors of 5.
It takes practice. The only way you learn is by practice. Do as many problems as you can and eventually it gets easier.