4x^2+0.41x-1.72=0

Simple and best practice solution for 4x^2+0.41x-1.72=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4x^2+0.41x-1.72=0 equation:


Simplifying
4x2 + 0.41x + -1.72 = 0

Reorder the terms:
-1.72 + 0.41x + 4x2 = 0

Solving
-1.72 + 0.41x + 4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
-0.43 + 0.1025x + x2 = 0

Move the constant term to the right:

Add '0.43' to each side of the equation.
-0.43 + 0.1025x + 0.43 + x2 = 0 + 0.43

Reorder the terms:
-0.43 + 0.43 + 0.1025x + x2 = 0 + 0.43

Combine like terms: -0.43 + 0.43 = 0.00
0.00 + 0.1025x + x2 = 0 + 0.43
0.1025x + x2 = 0 + 0.43

Combine like terms: 0 + 0.43 = 0.43
0.1025x + x2 = 0.43

The x term is 0.1025x.  Take half its coefficient (0.05125).
Square it (0.0026265625) and add it to both sides.

Add '0.0026265625' to each side of the equation.
0.1025x + 0.0026265625 + x2 = 0.43 + 0.0026265625

Reorder the terms:
0.0026265625 + 0.1025x + x2 = 0.43 + 0.0026265625

Combine like terms: 0.43 + 0.0026265625 = 0.4326265625
0.0026265625 + 0.1025x + x2 = 0.4326265625

Factor a perfect square on the left side:
(x + 0.05125)(x + 0.05125) = 0.4326265625

Calculate the square root of the right side: 0.657743539

Break this problem into two subproblems by setting 
(x + 0.05125) equal to 0.657743539 and -0.657743539.

Subproblem 1

x + 0.05125 = 0.657743539 Simplifying x + 0.05125 = 0.657743539 Reorder the terms: 0.05125 + x = 0.657743539 Solving 0.05125 + x = 0.657743539 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.05125' to each side of the equation. 0.05125 + -0.05125 + x = 0.657743539 + -0.05125 Combine like terms: 0.05125 + -0.05125 = 0.00000 0.00000 + x = 0.657743539 + -0.05125 x = 0.657743539 + -0.05125 Combine like terms: 0.657743539 + -0.05125 = 0.606493539 x = 0.606493539 Simplifying x = 0.606493539

Subproblem 2

x + 0.05125 = -0.657743539 Simplifying x + 0.05125 = -0.657743539 Reorder the terms: 0.05125 + x = -0.657743539 Solving 0.05125 + x = -0.657743539 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.05125' to each side of the equation. 0.05125 + -0.05125 + x = -0.657743539 + -0.05125 Combine like terms: 0.05125 + -0.05125 = 0.00000 0.00000 + x = -0.657743539 + -0.05125 x = -0.657743539 + -0.05125 Combine like terms: -0.657743539 + -0.05125 = -0.708993539 x = -0.708993539 Simplifying x = -0.708993539

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.606493539, -0.708993539}

See similar equations:

| 9+7z=6 | | (16k^4m^-8)^(1/4) | | 0.8=9.6 | | 73+73+(11x+1)=180 | | 3x-11=x-13 | | (2*-2+9*5-5)-(6*-2-4*5+2)= | | 4+5n-5=-21 | | (7-4)-(-4+7)= | | 3y+3x-3y+7x= | | (7+4)-(4+7)= | | (4x-1)(6x+3)= | | 2t+14t=9 | | 3(x+7)-3=72-6x | | 4u+9-7y=-6 | | (8*-3-1)-(-3+3)= | | 24=6xb^2 | | f(x)=5lnx-2x | | -3/-27= | | x-9*6=27 | | -5*-2+(6*-2-4)= | | y-(-4)=2/3(x-(-2)) | | 2(1+2n)=74 | | 4/5b-9=-13 | | 5=k+5-7k | | 3(x-3)(x+2)=3(x-10) | | 7e-4=31whatise | | 127•3/4 | | 5x+8x+11x=180 | | 11*0.5-(-2*0.5+2)= | | 2x+1-3(3-x)=56+x | | L-45xL=9000 | | 127x3/4 |

Equations solver categories