9x-(5x+1)-(2+8x)(7x-5)+10x=0

Simple and best practice solution for 9x-(5x+1)-(2+8x)(7x-5)+10x=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 9x-(5x+1)-(2+8x)(7x-5)+10x=0 equation:


Simplifying
9x + -1(5x + 1) + -1(2 + 8x)(7x + -5) + 10x = 0

Reorder the terms:
9x + -1(1 + 5x) + -1(2 + 8x)(7x + -5) + 10x = 0
9x + (1 * -1 + 5x * -1) + -1(2 + 8x)(7x + -5) + 10x = 0
9x + (-1 + -5x) + -1(2 + 8x)(7x + -5) + 10x = 0

Reorder the terms:
9x + -1 + -5x + -1(2 + 8x)(-5 + 7x) + 10x = 0

Multiply (2 + 8x) * (-5 + 7x)
9x + -1 + -5x + -1(2(-5 + 7x) + 8x * (-5 + 7x)) + 10x = 0
9x + -1 + -5x + -1((-5 * 2 + 7x * 2) + 8x * (-5 + 7x)) + 10x = 0
9x + -1 + -5x + -1((-10 + 14x) + 8x * (-5 + 7x)) + 10x = 0
9x + -1 + -5x + -1(-10 + 14x + (-5 * 8x + 7x * 8x)) + 10x = 0
9x + -1 + -5x + -1(-10 + 14x + (-40x + 56x2)) + 10x = 0

Combine like terms: 14x + -40x = -26x
9x + -1 + -5x + -1(-10 + -26x + 56x2) + 10x = 0
9x + -1 + -5x + (-10 * -1 + -26x * -1 + 56x2 * -1) + 10x = 0
9x + -1 + -5x + (10 + 26x + -56x2) + 10x = 0

Reorder the terms:
-1 + 10 + 9x + -5x + 26x + 10x + -56x2 = 0

Combine like terms: -1 + 10 = 9
9 + 9x + -5x + 26x + 10x + -56x2 = 0

Combine like terms: 9x + -5x = 4x
9 + 4x + 26x + 10x + -56x2 = 0

Combine like terms: 4x + 26x = 30x
9 + 30x + 10x + -56x2 = 0

Combine like terms: 30x + 10x = 40x
9 + 40x + -56x2 = 0

Solving
9 + 40x + -56x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-56 the coefficient of the squared term: 

Divide each side by '-56'.
-0.1607142857 + -0.7142857143x + x2 = 0

Move the constant term to the right:

Add '0.1607142857' to each side of the equation.
-0.1607142857 + -0.7142857143x + 0.1607142857 + x2 = 0 + 0.1607142857

Reorder the terms:
-0.1607142857 + 0.1607142857 + -0.7142857143x + x2 = 0 + 0.1607142857

Combine like terms: -0.1607142857 + 0.1607142857 = 0.0000000000
0.0000000000 + -0.7142857143x + x2 = 0 + 0.1607142857
-0.7142857143x + x2 = 0 + 0.1607142857

Combine like terms: 0 + 0.1607142857 = 0.1607142857
-0.7142857143x + x2 = 0.1607142857

The x term is -0.7142857143x.  Take half its coefficient (-0.3571428572).
Square it (0.1275510204) and add it to both sides.

Add '0.1275510204' to each side of the equation.
-0.7142857143x + 0.1275510204 + x2 = 0.1607142857 + 0.1275510204

Reorder the terms:
0.1275510204 + -0.7142857143x + x2 = 0.1607142857 + 0.1275510204

Combine like terms: 0.1607142857 + 0.1275510204 = 0.2882653061
0.1275510204 + -0.7142857143x + x2 = 0.2882653061

Factor a perfect square on the left side:
(x + -0.3571428572)(x + -0.3571428572) = 0.2882653061

Calculate the square root of the right side: 0.536903442

Break this problem into two subproblems by setting 
(x + -0.3571428572) equal to 0.536903442 and -0.536903442.

Subproblem 1

x + -0.3571428572 = 0.536903442 Simplifying x + -0.3571428572 = 0.536903442 Reorder the terms: -0.3571428572 + x = 0.536903442 Solving -0.3571428572 + x = 0.536903442 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3571428572' to each side of the equation. -0.3571428572 + 0.3571428572 + x = 0.536903442 + 0.3571428572 Combine like terms: -0.3571428572 + 0.3571428572 = 0.0000000000 0.0000000000 + x = 0.536903442 + 0.3571428572 x = 0.536903442 + 0.3571428572 Combine like terms: 0.536903442 + 0.3571428572 = 0.8940462992 x = 0.8940462992 Simplifying x = 0.8940462992

Subproblem 2

x + -0.3571428572 = -0.536903442 Simplifying x + -0.3571428572 = -0.536903442 Reorder the terms: -0.3571428572 + x = -0.536903442 Solving -0.3571428572 + x = -0.536903442 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3571428572' to each side of the equation. -0.3571428572 + 0.3571428572 + x = -0.536903442 + 0.3571428572 Combine like terms: -0.3571428572 + 0.3571428572 = 0.0000000000 0.0000000000 + x = -0.536903442 + 0.3571428572 x = -0.536903442 + 0.3571428572 Combine like terms: -0.536903442 + 0.3571428572 = -0.1797605848 x = -0.1797605848 Simplifying x = -0.1797605848

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.8940462992, -0.1797605848}

See similar equations:

| e+1.25=12.75 | | 69.3=9.4d+3.5 | | 1/43x-2/47 | | 4(x-6.5)=3.2 | | X+76=3x | | 7/9=14/18 | | 15+X=X-5 | | 25=2h+9 | | logx=x^2-8x+11 | | -x-48=-19 | | 1/4x-3/4x=-12 | | X-8=9.32 | | a-b=11 | | x-(5+3x)-6x(6+x)=-5 | | 6(x=2)/3 | | 11=11h | | 1-7d=81 | | x/-3=-1 | | 4v+20=2(8v-2) | | 70*4.5= | | -1x-8+6x=-4+5x-5 | | 1.2x+5=2 | | X^2+3x=7x+12 | | 3(y+1)-5y=12-(6y-7) | | 11-9-7=15 | | 2=4g+34 | | x/64-398=-465 | | 3k/2k^2 | | 5(7-x)=20-(3x-4) | | -0.2(6x-17)=0.5x | | 14=1/2y | | -100=-3(7+4m)+5 |

Equations solver categories