Completing square

Solve the quadratic equation:

m2=4m+20 using completing the square method

Result

m1 =  6.899
m2 =  -2.899

Solution:

Solution in text m1 =
Solution in text m2 =

Checkout calculation with our calculator of quadratic equations.


Try another example






Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




To solve this verbal math problem are needed these knowledge from mathematics:

Looking for help with calculating roots of a quadratic equation?

Next similar math problems:

  1. Non linear eqs
    q2_non_linear Solve the system of non-linear equations: 3x2-3x-y=-2 -6x2-x-y=-7
  2. Solve equation
    hrusky_2 solve equation: ?
  3. Quadratic equation
    parabola_1 Solve quadratic equation: 2x2-58x+396=0
  4. Square root 2
    parabola_2 If the square root of 3m2 +22 and -x = 0, and x=7, what is m?
  5. Product
    floring The product of two consecutive odd numbers is 8463. What are this numbers?
  6. Quadratic equation
    Parabola_tangent Quadratic equation ? has roots x1 = -26 and x2 = -86. Calculate the coefficients b and c.
  7. Calculation
    pocty How much is sum of square root of six and the square root of 225?
  8. Roots
    parabola Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
  9. Quadratic equation
    kvadrat_2 Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
  10. Discriminant
    Quadratic_equation_discriminant Determine the discriminant of the equation: ?
  11. Equation
    calculator_2 Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
  12. Algebra
    parabol_3 X+y=5, find xy (find the product of x and y if x+y = 5)
  13. Expression with powers
    eq222_9 If x-1/x=5, find the value of x4+1/x4
  14. Expressions 3
    parabola2_1 If k(x+6)= 4x2 + 20, what is k(10)=?
  15. Evaluation of expressions
    eq222_10 If a2-3a+1=0, find (i)a2+1/a2 (ii) a3+1/a3
  16. Variations 4/2
    pantagram_1 Determine the number of items when the count of variations of fourth class without repeating is 600 times larger than the count of variations of second class without repetition.
  17. Theorem prove
    thales_1 We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?