√x + 11=15 x=16
√x= 15-11 x=16
Answer:
x1=3. x2=-2
Step-by-step explanation:

b=-1
a=1
c=-6





x1=3
x2=-2

Answer:
see below
Step-by-step explanation:
The Pythagorean theorem is for right triangles. It uses the two legs and the hypotenuse
a^2 + b^2 = c^2 where a and b are the legs and c is the hypotenuse