-x -2 I think . 3-(-5)= -2 and 2x -3x = -x
Just square to find them to buy the answer by a dividend then the fraction of the answer then you get your answer
Answer:
The perimeter of the triangle is 
Step-by-step explanation:
Let

we know that
The perimeter of triangle is equal to

the formula to calculate the distance between two points is equal to
step 1
Find the distance AB

substitute in the formula
step 2
Find the distance BC

substitute in the formula
step 3
Find the distance AC

substitute in the formula
step 4
Find the perimeter

substitute the values
