4x^2-10x-3=0

Simple and best practice solution for 4x^2-10x-3=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^2-10x-3=0 equation:


Simplifying
4x2 + -10x + -3 = 0

Reorder the terms:
-3 + -10x + 4x2 = 0

Solving
-3 + -10x + 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'.
-0.75 + -2.5x + x2 = 0

Move the constant term to the right:

Add '0.75' to each side of the equation.
-0.75 + -2.5x + 0.75 + x2 = 0 + 0.75

Reorder the terms:
-0.75 + 0.75 + -2.5x + x2 = 0 + 0.75

Combine like terms: -0.75 + 0.75 = 0.00
0.00 + -2.5x + x2 = 0 + 0.75
-2.5x + x2 = 0 + 0.75

Combine like terms: 0 + 0.75 = 0.75
-2.5x + x2 = 0.75

The x term is -2.5x.  Take half its coefficient (-1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
-2.5x + 1.5625 + x2 = 0.75 + 1.5625

Reorder the terms:
1.5625 + -2.5x + x2 = 0.75 + 1.5625

Combine like terms: 0.75 + 1.5625 = 2.3125
1.5625 + -2.5x + x2 = 2.3125

Factor a perfect square on the left side:
(x + -1.25)(x + -1.25) = 2.3125

Calculate the square root of the right side: 1.520690633

Break this problem into two subproblems by setting 
(x + -1.25) equal to 1.520690633 and -1.520690633.

Subproblem 1

x + -1.25 = 1.520690633 Simplifying x + -1.25 = 1.520690633 Reorder the terms: -1.25 + x = 1.520690633 Solving -1.25 + x = 1.520690633 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + x = 1.520690633 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + x = 1.520690633 + 1.25 x = 1.520690633 + 1.25 Combine like terms: 1.520690633 + 1.25 = 2.770690633 x = 2.770690633 Simplifying x = 2.770690633

Subproblem 2

x + -1.25 = -1.520690633 Simplifying x + -1.25 = -1.520690633 Reorder the terms: -1.25 + x = -1.520690633 Solving -1.25 + x = -1.520690633 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + x = -1.520690633 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + x = -1.520690633 + 1.25 x = -1.520690633 + 1.25 Combine like terms: -1.520690633 + 1.25 = -0.270690633 x = -0.270690633 Simplifying x = -0.270690633

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.770690633, -0.270690633}

See similar equations:

| 7x^2-40x-12=0 | | -12p-5(6-4p)=6(p-2)-6 | | 6(x-5)-5x=4-2(x-1) | | Solve+8=12 | | 4x^2-8x-1=0 | | 2x-3x+5=8 | | 3x^6+5-x^2+4x^5-9x= | | (m^2n^3)(mn^2)(m^4n)=0 | | t^2+13t+40=0 | | (x-6)(5x-4)= | | 6m^2-150=0 | | 10n+6= | | (2x^2-4x)(6x^2-5x)= | | -(6y+3)-(-5y-6)=-3 | | (3p^2t)(3pt)(4p)=0 | | -2=-2-y | | 3(4x+3)=5(2x+5) | | 16+6x=3x-62 | | 4X-3=4X+5 | | 2x^7+4-3x^3+5x^8-4x= | | 4(x+8)=3(x+5) | | -2x-4x=7-7x | | 4X-2(X+1)=X-2 | | 9x-37=8x+14 | | 11x-4=5x+20 | | 7X+4=5X+1 | | 7x-35-4x=51+2x | | 4X+2=6X+3 | | 6X+2=5X+3 | | 8X+4=X+4 | | 3x-37=65 | | 2X+2=2(X+1) |

Equations solver categories