Question

solve. Square root of x + 9 = x - 3

Show work.

Answer 1

\(\bf \sqrt{x + 9} = x - 3\implies (\sqrt{x + 9})^2=(x - 3)^2\implies x+9=(x - 3)^2
\\ \quad \\
x+9=(x - 3)(x - 3)\)

expand and solve the quadratic

Answer 2

I wish it was that easy but the only answer choices are in fraction form.
@jdoe0001

Answer 3

well..... I"d assume you'd end up using the quadratic formula, which I'd think you've covered by now then