Q. Rewrite the equation by completing the square.x2+2x−3=0(x+□)2=□
Rewrite equation in standard form: Rewrite the equation in the form of x2+bx=c.Add 3 to both sides to move the constant term to the right side of the equation.x2+2x−3+3=0+3x2+2x=3
Add 3 to both sides: Choose the number to complete the square.Since (22)2=1, add 1 to both sides of the equation to complete the square.x2+2x+1=3+1x2+2x+1=4
Complete the square: Identify the equation after factoring the left side.The left side is a perfect square trinomial.(x+1)2=4
Identify factored equation: The equation is now in the completed square form. (x+1)2=4
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