4x^2+10x-41=0

Simple and best practice solution for 4x^2+10x-41=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-41=0 equation:


Simplifying
4x2 + 10x + -41 = 0

Reorder the terms:
-41 + 10x + 4x2 = 0

Solving
-41 + 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'.
-10.25 + 2.5x + x2 = 0

Move the constant term to the right:

Add '10.25' to each side of the equation.
-10.25 + 2.5x + 10.25 + x2 = 0 + 10.25

Reorder the terms:
-10.25 + 10.25 + 2.5x + x2 = 0 + 10.25

Combine like terms: -10.25 + 10.25 = 0.00
0.00 + 2.5x + x2 = 0 + 10.25
2.5x + x2 = 0 + 10.25

Combine like terms: 0 + 10.25 = 10.25
2.5x + x2 = 10.25

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 = 10.25 + 1.5625

Reorder the terms:
1.5625 + 2.5x + x2 = 10.25 + 1.5625

Combine like terms: 10.25 + 1.5625 = 11.8125
1.5625 + 2.5x + x2 = 11.8125

Factor a perfect square on the left side:
(x + 1.25)(x + 1.25) = 11.8125

Calculate the square root of the right side: 3.436931771

Break this problem into two subproblems by setting 
(x + 1.25) equal to 3.436931771 and -3.436931771.

Subproblem 1

x + 1.25 = 3.436931771 Simplifying x + 1.25 = 3.436931771 Reorder the terms: 1.25 + x = 3.436931771 Solving 1.25 + x = 3.436931771 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 = 3.436931771 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + x = 3.436931771 + -1.25 x = 3.436931771 + -1.25 Combine like terms: 3.436931771 + -1.25 = 2.186931771 x = 2.186931771 Simplifying x = 2.186931771

Subproblem 2

x + 1.25 = -3.436931771 Simplifying x + 1.25 = -3.436931771 Reorder the terms: 1.25 + x = -3.436931771 Solving 1.25 + x = -3.436931771 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 = -3.436931771 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + x = -3.436931771 + -1.25 x = -3.436931771 + -1.25 Combine like terms: -3.436931771 + -1.25 = -4.686931771 x = -4.686931771 Simplifying x = -4.686931771

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.186931771, -4.686931771}

See similar equations:

| 1-(1/2*16/33) | | y=x^2+bx+7 | | 40(x)+15(1.5x)=48000 | | 9(p-1)=-18 | | 13=-1x/2 | | 1-(7/9*4/18) | | 6x+8=3x+70 | | 2x-14+2x-8=10 | | b^2+9=0 | | 7/10÷(-7/5) | | 9(4x-1)/2x=15 | | -4+2(-4x-10)=64 | | 9(4m-1)= | | X/12-1 | | 0.09xX=110.17 | | 15x(5-2)=73 | | 9/20*720/1 | | 8n-2=4n+6 | | -16t^2+35t+4=0 | | x^2-8x+6=-8 | | (2x+5)=25 | | 3*80= | | 0.09xX=108.76 | | 3x-8x-35=0 | | -5(1+2x)=15 | | 16t^2+32t= | | 19=7+4x | | 3x^2+a*x-(a^2-1)=0 | | 2=w/3-4 | | 2.39x+4.82=9.37 | | x+15+x+17=18 | | X^2/49-64= |

Equations solver categories