Toni is solving this equation by completing the square. ax2+bx+c =0 (where au003e=0) Step 1: ax2+bx=-c Step 2: x2+bx/a=-c/a Step 3:?Which should be Step 3 in the solution?

• A. x2+(bx/a)+(b/2a)=-(c/a)+(b/2a)
• B. x+(b/a)=-(c/ax)
• C. x2=-(c/b)-(bx/a)
• D. x2+(bx/a)+(b/2a)2=-(c/a)+(b/2a)2