Does anybody know how to do this without using square roots? I am terrible at square roots and they confuse me but anyway I've see to solve it involves square roots.
Does anybody know how to do this without using square roots? I am terrible at square roots and they confuse me but anyway I've see to solve it involves square roots.
The simplest way to do this is the use the "laws of exponents"- in particular the fact that . Here, you have and . We can write the expression as and factor out ( .)