SOLUTION: (y+2)^2 = 20 solve for y my nephew and i both keep getting different answers

Question 154211: (y+2)^2 = 20
solve for y my nephew and i both keep getting different answers
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given equation.

Take the square root of both sides.

or Break up the "plus/minus" to form two equations.

or Simplify the square root.

or Subtract from both sides.

--------------------------------------

Answer:

So the solutions are or .

which approximate to or
RELATED QUESTIONS
My son and I keep getting different answers 10/2 - |-8+3|... (answered by scott8148)

I have to solve this system. -2(x+y)-3=5x+3y-10 -3y-(x+2)=3y-5x+5 I have worked it... (answered by venugopalramana)

Solve the equation: 4-5(y+2)=2(y-1)-7y-4 I keep attempting to solve for y and I keep... (answered by solver91311)

Hello, Please help me solve this. Stuck on it for 2 days and keep getting different... (answered by Cromlix)

4x^2-4y^2=196 3x^2+y^2=147 Hello can anyone solve this for me? I get really... (answered by jim_thompson5910)

Hello out there,I need some help with one slope form problem, Write the point-slope form... (answered by tutor_paul)

how do i solve 9(20-12t)=8(6+9t)-24 i keep getting different... (answered by edjones)

me and my aunt keep getting different answers. this is weekend homework. Multiply or... (answered by jim_thompson5910)

Help, please! How do I graph this quadratic equation? y = (x+3)^2 - 9 and also y... (answered by solver91311)