Answer: y² = 22 - (x+4)² or
y² = -x²-8x+6 (simplified form)
Step-by-step explanation:
Hi, to answer this question we have to isolate the term y².
(x+4)² +y² =22
y² = 22 - (x+4)²
That is the result without simplifying. If we simplify the sum raised to a power, we have to apply the method (a+b)^2 = a^2 + 2ab + b^2.
y²= 22 - (x²+2.x.4+4²)
y² = 22 - (x² +8x +16)
y²= 22 -x² -8x-16
y² = -x²-8x+6 (simplified result)
Feel free to ask for more if it´s necessary or if you did not understand something.
