-5x+8x^2-10x+5=

Simple and best practice solution for -5x+8x^2-10x+5= 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 -5x+8x^2-10x+5= equation:


Simplifying
-5x + 8x2 + -10x + 5 = 0

Reorder the terms:
5 + -5x + -10x + 8x2 = 0

Combine like terms: -5x + -10x = -15x
5 + -15x + 8x2 = 0

Solving
5 + -15x + 8x2 = 0

Solving for variable 'x'.

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

Divide each side by '8'.
0.625 + -1.875x + x2 = 0

Move the constant term to the right:

Add '-0.625' to each side of the equation.
0.625 + -1.875x + -0.625 + x2 = 0 + -0.625

Reorder the terms:
0.625 + -0.625 + -1.875x + x2 = 0 + -0.625

Combine like terms: 0.625 + -0.625 = 0.000
0.000 + -1.875x + x2 = 0 + -0.625
-1.875x + x2 = 0 + -0.625

Combine like terms: 0 + -0.625 = -0.625
-1.875x + x2 = -0.625

The x term is -1.875x.  Take half its coefficient (-0.9375).
Square it (0.87890625) and add it to both sides.

Add '0.87890625' to each side of the equation.
-1.875x + 0.87890625 + x2 = -0.625 + 0.87890625

Reorder the terms:
0.87890625 + -1.875x + x2 = -0.625 + 0.87890625

Combine like terms: -0.625 + 0.87890625 = 0.25390625
0.87890625 + -1.875x + x2 = 0.25390625

Factor a perfect square on the left side:
(x + -0.9375)(x + -0.9375) = 0.25390625

Calculate the square root of the right side: 0.503891109

Break this problem into two subproblems by setting 
(x + -0.9375) equal to 0.503891109 and -0.503891109.

Subproblem 1

x + -0.9375 = 0.503891109 Simplifying x + -0.9375 = 0.503891109 Reorder the terms: -0.9375 + x = 0.503891109 Solving -0.9375 + x = 0.503891109 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9375' to each side of the equation. -0.9375 + 0.9375 + x = 0.503891109 + 0.9375 Combine like terms: -0.9375 + 0.9375 = 0.0000 0.0000 + x = 0.503891109 + 0.9375 x = 0.503891109 + 0.9375 Combine like terms: 0.503891109 + 0.9375 = 1.441391109 x = 1.441391109 Simplifying x = 1.441391109

Subproblem 2

x + -0.9375 = -0.503891109 Simplifying x + -0.9375 = -0.503891109 Reorder the terms: -0.9375 + x = -0.503891109 Solving -0.9375 + x = -0.503891109 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.9375' to each side of the equation. -0.9375 + 0.9375 + x = -0.503891109 + 0.9375 Combine like terms: -0.9375 + 0.9375 = 0.0000 0.0000 + x = -0.503891109 + 0.9375 x = -0.503891109 + 0.9375 Combine like terms: -0.503891109 + 0.9375 = 0.433608891 x = 0.433608891 Simplifying x = 0.433608891

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.441391109, 0.433608891}

See similar equations:

| 8w+6w=56 | | 1.5=9.15 | | 35=-7/8v | | 3z-7z=35-39 | | -6.2-4x-2.7-x=-4x-3.6 | | 7z+5=8z | | -2(x-1)-(8x-8)=-11x | | -6(n+3)=1-5n | | 4x+5-x=10+2x-8 | | 10x^4-26x^3+12x^2=0 | | 4=u-7 | | 2x*17=180 | | 8x-3x=-2x-19 | | (4x-6)2-4(4x-6)+3=0 | | X+17=-13+8 | | f(x)=6x^2-7x-5 | | 5-6[3-(4y-9)]= | | 4x+10y-10=7y-2x | | -[4z-(9z+9)]=9+4z+4 | | f(x)=3x^2+-3x+-6 | | (8-7i)(5-6i)= | | 3x^2+-3x+-6=f(x) | | 4a+3c=5506 | | 12x^2-20xy+3y^2=0 | | 64=1/2*h*12.8 | | 50x-x^6=49 | | X^3+9x^2+13x+5=0 | | c=3a+3b+p | | 18x^2-15xy+2y^2=0 | | c=3a-3b+p | | (3/4x)-(1/4y)=(-15/4) | | (3y-4/5y)^4 |

Equations solver categories