Question

When solving the equation a2 + b2 = c2 for "a" , what mathematical operation is performed?

subtract b squared from both sides of the equation and then square both sides of the equation





subtract b squared from both sides of the equation and then take the square root of both sides of the equation





take the square root of both sides of the equation and then subtract b squared from both sides of the equation





square both sides of the equation and then subtract b squared from both sides of the equation

Answer 1

A, because....