What is the result of isolating y^2 in the equation below? (x+4)^2+y^2=22

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.

4/6 = 2/3

so it should take 3/3 hours per man. so 9 hours is the answer 3*3 =9

step-by-step explanation:

a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

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