Question

What is the result of isolating x2 in the equation below?

x2 + (y - 5)2 = 30

A. x2 = -y2 + 10y + 25
B. x2 = -y2 + 10y + 5
C. x2 = y2 + 10y + 5
D. x2 = 30 - y2

Answer 1

Is the (y-5) squared or *2?

Answer 2

squared

Answer 3

Foil (y-5)(y-5)= y^2 -5y-5y+25 did you get how to do that?

Answer 4

would you mind just telling me the answer i need to get going soon

Answer 5

x^2-10y+25=30
x^2-10y=5
x^2=10y+5

Answer 6

oops i miss the -y^2
it x^2=-y^2+10y+5