Solve $\sqrt{\sqrt{x-5}}=2$√√x−5=2.
Be sure to exclude any extraneous solutions.
Solve $\sqrt{\sqrt{x}+9}=4$√√x+9=4.
Be sure to exclude any extraneous solutions.
Solve $\sqrt{7-\sqrt{x}}+2=4$√7−√x+2=4.
Be sure to exclude any extraneous solutions.
Solve $2\sqrt{3\sqrt{x}-2}=8$2√3√x−2=8.
Be sure to exclude any extraneous solutions.