Question

square root(2x+15)-x=6

Can someone please help?! This is a quadratic I believe

Answer 1

what are your directions?

Answer 2

all it says is to solve the equation. it's college algebra and we're talking about quadratics

Answer 3

get the square root on the side by itself.
square both sides to remove the square root sign

Answer 4

\[(2x+15)^{1/2}-x=6\]\[(2x+15)^{1/2}=6+x\]\[2x+15=(6+x)^2\]Go from here.

Answer 5

foil out the right side
then get all terms on the same side (set equation to 0)

Answer 6

Thank you so much! :)