6.4 Exercise 37

Choose the appropriate pattern and use it to find the product:

ⓐ $\left(6 x + 7\right)^{2}$ ⓑ $\left(3 x - 4\right) \left(3 x + 4\right)$ ⓒ $\left(2 x - 5\right) \left(5 x - 2\right)$ ⓓ $\left(6 n - 1\right)^{2}$