# How do you simplify -10sqrt7+12sqrt7?

=$2 \sqrt{7}$
There are two terms, but they are like terms, so we can just simplify, giving the answer in terms of $\sqrt{7}$
$- 10 \sqrt{7} + 12 \sqrt{7}$ can also be written as $12 \sqrt{7} - 10 \sqrt{7}$
=$2 \sqrt{7}$