Question

What method would you choose to solve the equation 2x^2-7=9

Answer 1

If you're trying to solve for X, the answer would be 2.8: hope this helps, have an amazing day :)

Answer 2

I would first find x² because there is only one variable term. 2x²=16, x²=8, x=±2√2=±2.828 approx.