Simplify this expression.
(12+v3715-7
O V5+/-2
O V10 +V15 - 14-V21
O 25-27
O 25+3v5-277-377
![Simplify this expression 12v37157 O V52 O V10 V15 14V21 O 2527 O 253v5277377 class=](https://us-static.z-dn.net/files/db1/de7b77bec03fe14a95da075156f871e9.png)