-5.7x(x+9.2)+4.1=3.4-6.9x

Simple and best practice solution for -5.7x(x+9.2)+4.1=3.4-6.9x 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 -5.7x(x+9.2)+4.1=3.4-6.9x equation:


Simplifying
-5.7x(x + 9.2) + 4.1 = 3.4 + -6.9x

Reorder the terms:
-5.7x(9.2 + x) + 4.1 = 3.4 + -6.9x
(9.2 * -5.7x + x * -5.7x) + 4.1 = 3.4 + -6.9x
(-52.44x + -5.7x2) + 4.1 = 3.4 + -6.9x

Reorder the terms:
4.1 + -52.44x + -5.7x2 = 3.4 + -6.9x

Solving
4.1 + -52.44x + -5.7x2 = 3.4 + -6.9x

Solving for variable 'x'.

Reorder the terms:
4.1 + -3.4 + -52.44x + 6.9x + -5.7x2 = 3.4 + -6.9x + -3.4 + 6.9x

Combine like terms: 4.1 + -3.4 = 0.7
0.7 + -52.44x + 6.9x + -5.7x2 = 3.4 + -6.9x + -3.4 + 6.9x

Combine like terms: -52.44x + 6.9x = -45.54x
0.7 + -45.54x + -5.7x2 = 3.4 + -6.9x + -3.4 + 6.9x

Reorder the terms:
0.7 + -45.54x + -5.7x2 = 3.4 + -3.4 + -6.9x + 6.9x

Combine like terms: 3.4 + -3.4 = 0.0
0.7 + -45.54x + -5.7x2 = 0.0 + -6.9x + 6.9x
0.7 + -45.54x + -5.7x2 = -6.9x + 6.9x

Combine like terms: -6.9x + 6.9x = 0.0
0.7 + -45.54x + -5.7x2 = 0.0

Begin completing the square.  Divide all terms by
-5.7 the coefficient of the squared term: 

Divide each side by '-5.7'.
-0.1228070175 + 7.989473684x + x2 = 0

Move the constant term to the right:

Add '0.1228070175' to each side of the equation.
-0.1228070175 + 7.989473684x + 0.1228070175 + x2 = 0 + 0.1228070175

Reorder the terms:
-0.1228070175 + 0.1228070175 + 7.989473684x + x2 = 0 + 0.1228070175

Combine like terms: -0.1228070175 + 0.1228070175 = 0.0000000000
0.0000000000 + 7.989473684x + x2 = 0 + 0.1228070175
7.989473684x + x2 = 0 + 0.1228070175

Combine like terms: 0 + 0.1228070175 = 0.1228070175
7.989473684x + x2 = 0.1228070175

The x term is 7.989473684x.  Take half its coefficient (3.994736842).
Square it (15.95792244) and add it to both sides.

Add '15.95792244' to each side of the equation.
7.989473684x + 15.95792244 + x2 = 0.1228070175 + 15.95792244

Reorder the terms:
15.95792244 + 7.989473684x + x2 = 0.1228070175 + 15.95792244

Combine like terms: 0.1228070175 + 15.95792244 = 16.0807294575
15.95792244 + 7.989473684x + x2 = 16.0807294575

Factor a perfect square on the left side:
(x + 3.994736842)(x + 3.994736842) = 16.0807294575

Calculate the square root of the right side: 4.010078485

Break this problem into two subproblems by setting 
(x + 3.994736842) equal to 4.010078485 and -4.010078485.

Subproblem 1

x + 3.994736842 = 4.010078485 Simplifying x + 3.994736842 = 4.010078485 Reorder the terms: 3.994736842 + x = 4.010078485 Solving 3.994736842 + x = 4.010078485 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.994736842' to each side of the equation. 3.994736842 + -3.994736842 + x = 4.010078485 + -3.994736842 Combine like terms: 3.994736842 + -3.994736842 = 0.000000000 0.000000000 + x = 4.010078485 + -3.994736842 x = 4.010078485 + -3.994736842 Combine like terms: 4.010078485 + -3.994736842 = 0.015341643 x = 0.015341643 Simplifying x = 0.015341643

Subproblem 2

x + 3.994736842 = -4.010078485 Simplifying x + 3.994736842 = -4.010078485 Reorder the terms: 3.994736842 + x = -4.010078485 Solving 3.994736842 + x = -4.010078485 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.994736842' to each side of the equation. 3.994736842 + -3.994736842 + x = -4.010078485 + -3.994736842 Combine like terms: 3.994736842 + -3.994736842 = 0.000000000 0.000000000 + x = -4.010078485 + -3.994736842 x = -4.010078485 + -3.994736842 Combine like terms: -4.010078485 + -3.994736842 = -8.004815327 x = -8.004815327 Simplifying x = -8.004815327

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.015341643, -8.004815327}

See similar equations:

| 24=(100/x) | | 2w+2l=184 | | 3x=3x-8 | | 56+5=61 | | 0.35x+0.05(16-x)=0.10(-28) | | 6(3w-8)=42 | | 3(x+1)=18-6(x+1) | | -2(d+8)=20 | | -2(x)-4(y)=-8 | | Y^(1/x)=0 | | 81^(1/x)=0 | | 81^(1/x) | | (1x)/(81)=0 | | 2x-2(23/7)=7 | | 2(23/7)=7 | | 6+8y=30 | | 6x-3y+4z=-13 | | 2+3y=14 | | y^2-5y-24=equation | | y^2-5y-24=quation | | x^3-30x^2+249x^1-400=0 | | -log(x)=2 | | x^3-72x^2+1300x^1-9216=0 | | 4t*t=245 | | a=x(200-x) | | y=200-x | | 2.4*x^5-x^3+7=0 | | 3+3x=6x | | y-9=-7/8× | | 40x+2y=89 | | (4n-4)(2n^2+8n-7)=0 | | 4ln(x)+x=0 |

Equations solver categories