The first step for solving a quadratic equation with a square root is to isolate the squared variable or expression. Using a square root to solve this equation, x2−25=0 What would be your first step to isolate the squared variable?
A. add 25 to each side to isolate the squared variable
B. Subtract 25 to each side to isolate the squared variable
C. Multiply 25 to each side to isolate the squared variable
D. Divide 25 to each side to isolate the squared variable