4x^2+10x-143=0

Simple and best practice solution for 4x^2+10x-143=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-143=0 equation:


Simplifying
4x2 + 10x + -143 = 0

Reorder the terms:
-143 + 10x + 4x2 = 0

Solving
-143 + 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'.
-35.75 + 2.5x + x2 = 0

Move the constant term to the right:

Add '35.75' to each side of the equation.
-35.75 + 2.5x + 35.75 + x2 = 0 + 35.75

Reorder the terms:
-35.75 + 35.75 + 2.5x + x2 = 0 + 35.75

Combine like terms: -35.75 + 35.75 = 0.00
0.00 + 2.5x + x2 = 0 + 35.75
2.5x + x2 = 0 + 35.75

Combine like terms: 0 + 35.75 = 35.75
2.5x + x2 = 35.75

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 = 35.75 + 1.5625

Reorder the terms:
1.5625 + 2.5x + x2 = 35.75 + 1.5625

Combine like terms: 35.75 + 1.5625 = 37.3125
1.5625 + 2.5x + x2 = 37.3125

Factor a perfect square on the left side:
(x + 1.25)(x + 1.25) = 37.3125

Calculate the square root of the right side: 6.108395861

Break this problem into two subproblems by setting 
(x + 1.25) equal to 6.108395861 and -6.108395861.

Subproblem 1

x + 1.25 = 6.108395861 Simplifying x + 1.25 = 6.108395861 Reorder the terms: 1.25 + x = 6.108395861 Solving 1.25 + x = 6.108395861 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 = 6.108395861 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + x = 6.108395861 + -1.25 x = 6.108395861 + -1.25 Combine like terms: 6.108395861 + -1.25 = 4.858395861 x = 4.858395861 Simplifying x = 4.858395861

Subproblem 2

x + 1.25 = -6.108395861 Simplifying x + 1.25 = -6.108395861 Reorder the terms: 1.25 + x = -6.108395861 Solving 1.25 + x = -6.108395861 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 = -6.108395861 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + x = -6.108395861 + -1.25 x = -6.108395861 + -1.25 Combine like terms: -6.108395861 + -1.25 = -7.358395861 x = -7.358395861 Simplifying x = -7.358395861

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.858395861, -7.358395861}

See similar equations:

| 3p-q=9 | | 1700j+140=4500 | | 0.2(x+30)*.6x=22 | | 24-6=45-90 | | 9/10-2/5= | | 2(x+30)+6x=22 | | x^2-10x+15=-10 | | x+4+4x-8+7x-35=180 | | 0.33333333x+-3=3 | | -0.18/t=-5.2 | | 9x+2+13x-18+17x+1=180 | | 12=z/-9 | | 0=10x^4-24x^3-3x^2 | | 3.2x+6=15 | | x/7+5=-2 | | x/18=2 | | Y-1=X-3 | | 4x-3+9x-6+6x-1=180 | | 8(5-x^2)-3= | | z/7+9=5 | | X^4-13x^3+36= | | 6t-.16666667=9 | | 3(X+1)-2(X-2)=5 | | 18/48 | | 2/5-2/10 | | 5x-4+3=9-x | | -39+x^2=10x | | 42-21x+252=44 | | 6x-27=0findx | | 3(x-1)=2(5+x) | | 5x-8+7x-31+63=180 | | (6x^4+6x^3-7)-(8x^2-4x+7)= |

Equations solver categories