Answer:
The answer is 4√7 - 8
Step-by-step explanation:
12/√7+2
Rationalize the denominator
=12/7+2 * √7-2/√7-2
=12√7-24/7-4
=12√7-24/3
By taking common from numerator we get
=12(√7-2)/3
=4√7-8
