x 2 4x 12 0 completing the square Free Complete the Square calculator complete the square for quadratic functions step by step
Solve by Completing the Square x 2 4x 12 x2 4x 12 x 2 4 x 12 To create a trinomial square on the left side of the equation find a value that is equal to the square of half of b b b 2 2 2 2 b 2 2 2 2 Add the term to each side of the equation x2 4x 2 2 12 2 2 x 2 4 x 2 2 12 2 2 Clear Solution Quadratic equations x 2 x 6 Step by Step Solution Reformatting the input Changes made to your input should not affect the solution 1 x2 was replaced by x 2 Step by step solution Step 1 Trying to factor by splitting the middle term 1 1 Factoring x2 4x 12 The first term is x2 its coefficient is 1
x 2 4x 12 0 completing the square
x 2 4x 12 0 completing the square
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Trig Sub Completing The Square Complete Square Before Substitution
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How To Solve X 2 4x 12 0 By Factoring YouTube
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Free Complete the Square calculator complete the square for quadratic functions step by step X 2 4x left 2 right 2 12 left 2 right 2 Divide 4 the coefficient of the x term by 2 to get 2 Then add the square of 2 to both sides of the equation
Step by step explanation 1 Identify the coefficients Use the standard form of a quadratic equation a x 2 b x c 0 to find the coefficients of the equation x 2 4 x 12 0 a 1 b 4 c 12 2 Move the constant to the right side of the equation and combine Add 12 to both sides of the equation x 2 4 x 12 0 2x2 12x 7 0 2 x 2 12 x 7 0 a 1 and a 2 so divide all terms by 2 2 2x2 12 2 x 7 2 0 2 2 2 x 2 12 2 x 7 2 0 2 which gives you x2 6x 7 2 0 x 2 6 x 7 2 0 Continue to solve this quadratic equation with the completing the square method described above
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Solve by Completing the Square x 2 4x 12 0 x2 4x 12 0 x 2 4 x 12 0 Subtract 12 12 from both sides of the equation x2 4x 12 x 2 4 x 12 To create a trinomial square on the left side of the equation find a value that is equal to the square of half of b b b 2 2 2 2 b 2 2 2 2 Explanation x2 4x 12 0 x2 4x 12 To write the Left Hand Side as a Perfect Square we add 4 to both sides x2 4x 4 12 4 x2 2 x 2 22 16 Using the Identity a b 2 a2 2ab b2 we get x 2 2 16 x 2 16 or x 2 16 x 2 4 or x 2 4 x 4 2 or x 4 2 x 2 x 6 Answer link
2x 12x 5 0 by completing the square We see that a 2 Dividing either side by 2 we obtain x 6x 2 5 0 and so the coefficient in front of x is equal to 1 Now just go ahead with the steps we explained in the example above What if b 0 Free Pre Algebra Algebra Trigonometry Calculus Geometry Statistics and Chemistry calculators step by step
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x 2 4x 12 0 completing the square - X 2 4x left 2 right 2 12 left 2 right 2 Divide 4 the coefficient of the x term by 2 to get 2 Then add the square of 2 to both sides of the equation