Mathematics for IGCSE & O level - Equations (Section 7 - No. 25)
What is the first step to solve a quadratic equation using completing the square?
Isolate the x² and x terms on one side of the equation.
Factor the quadratic expression.
Use the quadratic formula.
Move all terms to one side and set equal to zero.
Vysvětlení
The first step usually involves getting the x² and x terms by themselves.