7^-2 x 3^2 = 3 x 7^4x should be your equation.
- Evaluate the exponent
- Evaluate the exponent
- Multiply the numbers
- Evaluate the exponent
- Multiply the numbers
- Divide both sides by the same factor
- Simplify
- Decimal form: x = 2.54995792 • 10^5
I don't know if this is what you were looking for but I hope it helps.