Solve $\left|x^2-16\right|=3$|x2−16|=3.
Consider the equation $\left|x+20\right|=x^2$|x+20|=x2.
Consider the equation $\left|x^2-1\right|=3x-4$|x2−1|=3x−4.
What are the real solutions to the equation $\left|x\right|^2-\left|x\right|-6=0$|x|2−|x|−6=0?