25x^2+10x=1

Simple and best practice solution for 25x^2+10x=1 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 25x^2+10x=1 equation:


Simplifying
25x2 + 10x = 1

Reorder the terms:
10x + 25x2 = 1

Solving
10x + 25x2 = 1

Solving for variable 'x'.

Reorder the terms:
-1 + 10x + 25x2 = 1 + -1

Combine like terms: 1 + -1 = 0
-1 + 10x + 25x2 = 0

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

Divide each side by '25'.
-0.04 + 0.4x + x2 = 0

Move the constant term to the right:

Add '0.04' to each side of the equation.
-0.04 + 0.4x + 0.04 + x2 = 0 + 0.04

Reorder the terms:
-0.04 + 0.04 + 0.4x + x2 = 0 + 0.04

Combine like terms: -0.04 + 0.04 = 0.00
0.00 + 0.4x + x2 = 0 + 0.04
0.4x + x2 = 0 + 0.04

Combine like terms: 0 + 0.04 = 0.04
0.4x + x2 = 0.04

The x term is 0.4x.  Take half its coefficient (0.2).
Square it (0.04) and add it to both sides.

Add '0.04' to each side of the equation.
0.4x + 0.04 + x2 = 0.04 + 0.04

Reorder the terms:
0.04 + 0.4x + x2 = 0.04 + 0.04

Combine like terms: 0.04 + 0.04 = 0.08
0.04 + 0.4x + x2 = 0.08

Factor a perfect square on the left side:
(x + 0.2)(x + 0.2) = 0.08

Calculate the square root of the right side: 0.282842712

Break this problem into two subproblems by setting 
(x + 0.2) equal to 0.282842712 and -0.282842712.

Subproblem 1

x + 0.2 = 0.282842712 Simplifying x + 0.2 = 0.282842712 Reorder the terms: 0.2 + x = 0.282842712 Solving 0.2 + x = 0.282842712 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2' to each side of the equation. 0.2 + -0.2 + x = 0.282842712 + -0.2 Combine like terms: 0.2 + -0.2 = 0.0 0.0 + x = 0.282842712 + -0.2 x = 0.282842712 + -0.2 Combine like terms: 0.282842712 + -0.2 = 0.082842712 x = 0.082842712 Simplifying x = 0.082842712

Subproblem 2

x + 0.2 = -0.282842712 Simplifying x + 0.2 = -0.282842712 Reorder the terms: 0.2 + x = -0.282842712 Solving 0.2 + x = -0.282842712 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2' to each side of the equation. 0.2 + -0.2 + x = -0.282842712 + -0.2 Combine like terms: 0.2 + -0.2 = 0.0 0.0 + x = -0.282842712 + -0.2 x = -0.282842712 + -0.2 Combine like terms: -0.282842712 + -0.2 = -0.482842712 x = -0.482842712 Simplifying x = -0.482842712

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.082842712, -0.482842712}

See similar equations:

| 7x^2+17x-8=4 | | (x)=2x^3-7x^2-2x+12 | | 2x+9=75-10x | | (7/(3z-2))=(5/(4z)) | | 42.78e=93 | | 8=-4x+9 | | 9x^2+2+x^3+x= | | x^5+x^2+16=x^5-9x^2-16 | | n/30=10/100 | | 2x+7+4x=31 | | 27n/37=6679 | | 45/3=9/x | | (7/3z-2)=(5/4z) | | 5e=181 | | 8k+14=46 | | 2y^2-5y=-3 | | 48x-3=45 | | 10x^7-3=5 | | -2=1.5x+7 | | 7w+11=32 | | 0.125x-4=0.0625(x-4) | | 3cosx=-3sinx | | 3lnx=33 | | -6+x/5=7 | | 5r+7=37 | | 0.666666+7=-18 | | 3cosinex+3sinex=0 | | 9x-39=12x-39 | | 3(1+2z)+z=2z-17 | | 0.6x+7=-18 | | 3h+7=31 | | 0.66666x+7=-8 |

Equations solver categories