4x^2+10x+10x-25=0

Simple and best practice solution for 4x^2+10x+10x-25=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+10x-25=0 equation:


Simplifying
4x2 + 10x + 10x + -25 = 0

Reorder the terms:
-25 + 10x + 10x + 4x2 = 0

Combine like terms: 10x + 10x = 20x
-25 + 20x + 4x2 = 0

Solving
-25 + 20x + 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'.
-6.25 + 5x + x2 = 0

Move the constant term to the right:

Add '6.25' to each side of the equation.
-6.25 + 5x + 6.25 + x2 = 0 + 6.25

Reorder the terms:
-6.25 + 6.25 + 5x + x2 = 0 + 6.25

Combine like terms: -6.25 + 6.25 = 0.00
0.00 + 5x + x2 = 0 + 6.25
5x + x2 = 0 + 6.25

Combine like terms: 0 + 6.25 = 6.25
5x + x2 = 6.25

The x term is 5x.  Take half its coefficient (2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
5x + 6.25 + x2 = 6.25 + 6.25

Reorder the terms:
6.25 + 5x + x2 = 6.25 + 6.25

Combine like terms: 6.25 + 6.25 = 12.5
6.25 + 5x + x2 = 12.5

Factor a perfect square on the left side:
(x + 2.5)(x + 2.5) = 12.5

Calculate the square root of the right side: 3.535533906

Break this problem into two subproblems by setting 
(x + 2.5) equal to 3.535533906 and -3.535533906.

Subproblem 1

x + 2.5 = 3.535533906 Simplifying x + 2.5 = 3.535533906 Reorder the terms: 2.5 + x = 3.535533906 Solving 2.5 + x = 3.535533906 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = 3.535533906 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = 3.535533906 + -2.5 x = 3.535533906 + -2.5 Combine like terms: 3.535533906 + -2.5 = 1.035533906 x = 1.035533906 Simplifying x = 1.035533906

Subproblem 2

x + 2.5 = -3.535533906 Simplifying x + 2.5 = -3.535533906 Reorder the terms: 2.5 + x = -3.535533906 Solving 2.5 + x = -3.535533906 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.5' to each side of the equation. 2.5 + -2.5 + x = -3.535533906 + -2.5 Combine like terms: 2.5 + -2.5 = 0.0 0.0 + x = -3.535533906 + -2.5 x = -3.535533906 + -2.5 Combine like terms: -3.535533906 + -2.5 = -6.035533906 x = -6.035533906 Simplifying x = -6.035533906

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.035533906, -6.035533906}

See similar equations:

| 2x+10=20-8x | | 10-3+(-5)= | | 12y-12= | | 1+6x=11+11 | | 4t^2-3t-12=0 | | 2c-14c=0 | | -2x=-4x+8 | | (2/7x-2)(1/3x-1/30)=0 | | 51y=2(25y+79) | | 8x+4=32-2x | | 9x-2=37 | | 2x-10+8x=10 | | 5(2x-l)-2(3x)=1 | | 18=8t-17t | | (x+4)+5=(x+9) | | r=h-y | | 18=8t-18t | | 5p+27=3(4-p) | | (1/64)^3v=16 | | x^2+y^2=20y-99 | | 18=8t-7t | | Y^2-3y-4x=0 | | 18x=30z | | 2x+49=79 | | 3x+33=13x-40 | | 8x-16+2x+6=30 | | 81s^2+72+16=0 | | -5a=5a-4 | | 2x-4+x=30 | | 2t-3=13 | | 6x+17+8x=12x+3+4x+12 | | -2g^2+52g-82=0 |

Equations solver categories