Solve 𝑥 squared equals 16 over 169.
𝑥 squared equals 16 over 169. If we take the square root of 𝑥 squared, we get 𝑥. If we take the square root of 16 over 169, we get four over 13. It’s not just the positive four over 13, but also the negative value of four over 13.
𝑥 could be equal to four over 13 or 𝑥 is equal to negative four over 13.