Answer:
it should be 3x^2 +2
Step-by-step explanation:
Answer:I figured it out for you. The answer is 8-6*sq 3
I used Math way
√23 = a
/ab/²= /ac/²+/bc/² (Pythagoras theorem)
12² = a² +11²
144 = a² + 121
144 - 121 = a²
23 = a²