4x^2+3x+1=.5

Simple and best practice solution for 4x^2+3x+1=.5 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+3x+1=.5 equation:


Simplifying
4x2 + 3x + 1 = 0.5

Reorder the terms:
1 + 3x + 4x2 = 0.5

Solving
1 + 3x + 4x2 = 0.5

Solving for variable 'x'.

Reorder the terms:
1 + -0.5 + 3x + 4x2 = 0.5 + -0.5

Combine like terms: 1 + -0.5 = 0.5
0.5 + 3x + 4x2 = 0.5 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.5 + 3x + 4x2 = 0.0

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

Divide each side by '4'.
0.125 + 0.75x + x2 = 0.0

Move the constant term to the right:

Add '-0.125' to each side of the equation.
0.125 + 0.75x + -0.125 + x2 = 0.0 + -0.125

Reorder the terms:
0.125 + -0.125 + 0.75x + x2 = 0.0 + -0.125

Combine like terms: 0.125 + -0.125 = 0.000
0.000 + 0.75x + x2 = 0.0 + -0.125
0.75x + x2 = 0.0 + -0.125

Combine like terms: 0.0 + -0.125 = -0.125
0.75x + x2 = -0.125

The x term is 0.75x.  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
0.75x + 0.140625 + x2 = -0.125 + 0.140625

Reorder the terms:
0.140625 + 0.75x + x2 = -0.125 + 0.140625

Combine like terms: -0.125 + 0.140625 = 0.015625
0.140625 + 0.75x + x2 = 0.015625

Factor a perfect square on the left side:
(x + 0.375)(x + 0.375) = 0.015625

Calculate the square root of the right side: 0.125

Break this problem into two subproblems by setting 
(x + 0.375) equal to 0.125 and -0.125.

Subproblem 1

x + 0.375 = 0.125 Simplifying x + 0.375 = 0.125 Reorder the terms: 0.375 + x = 0.125 Solving 0.375 + x = 0.125 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = 0.125 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = 0.125 + -0.375 x = 0.125 + -0.375 Combine like terms: 0.125 + -0.375 = -0.25 x = -0.25 Simplifying x = -0.25

Subproblem 2

x + 0.375 = -0.125 Simplifying x + 0.375 = -0.125 Reorder the terms: 0.375 + x = -0.125 Solving 0.375 + x = -0.125 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = -0.125 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = -0.125 + -0.375 x = -0.125 + -0.375 Combine like terms: -0.125 + -0.375 = -0.5 x = -0.5 Simplifying x = -0.5

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.25, -0.5}

See similar equations:

| 4x^2+3x+1=3 | | 2x+3(x-3)=x+3 | | 4(2)-5y=20 | | 4x^2+3x+1=2 | | 30(x-1)=-6(5-x)+24x | | -7x-8=20 | | 4x^2+3x+1=1 | | 15y=z | | 4x^2+3x+1=4 | | 7(x-2)=3x-6 | | 4x^2+2x+3=7 | | 4x^2+2x+3=10 | | 3(x-2)=2(x+3) | | 6=-8x+54 | | 4x^2+2x+.5=0 | | 14=2(x-5)-5x | | 4x^2+3x+2=0 | | 5(6x-66)=(5x+55)6 | | 4x^2+2x+3=0 | | -8x+19=19 | | -8+19=19 | | 4x^2+3x+1=0 | | 25x-15+3x+21=90 | | -8(v+2)+3v+7=6v+10 | | 19-2x=25 | | 7(2+x)=35 | | 7(2+35x)= | | 4(0)-5y=20 | | 12x+19x-8+3=-3x+3-8 | | -4q=28 | | 0.5x-0.3=0.4x+6 | | 9p-q=-11p+2q |

Equations solver categories