5.8(.12-.7x+x^2)=x

Simple and best practice solution for 5.8(.12-.7x+x^2)=x 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 5.8(.12-.7x+x^2)=x equation:


Simplifying
5.8(0.12 + -0.7x + x2) = x
(0.12 * 5.8 + -0.7x * 5.8 + x2 * 5.8) = x
(0.696 + -4.06x + 5.8x2) = x

Solving
0.696 + -4.06x + 5.8x2 = x

Solving for variable 'x'.

Reorder the terms:
0.696 + -4.06x + -1x + 5.8x2 = x + -1x

Combine like terms: -4.06x + -1x = -5.06x
0.696 + -5.06x + 5.8x2 = x + -1x

Combine like terms: x + -1x = 0
0.696 + -5.06x + 5.8x2 = 0

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

Divide each side by '5.8'.
0.12 + -0.8724137931x + x2 = 0

Move the constant term to the right:

Add '-0.12' to each side of the equation.
0.12 + -0.8724137931x + -0.12 + x2 = 0 + -0.12

Reorder the terms:
0.12 + -0.12 + -0.8724137931x + x2 = 0 + -0.12

Combine like terms: 0.12 + -0.12 = 0.00
0.00 + -0.8724137931x + x2 = 0 + -0.12
-0.8724137931x + x2 = 0 + -0.12

Combine like terms: 0 + -0.12 = -0.12
-0.8724137931x + x2 = -0.12

The x term is -0.8724137931x.  Take half its coefficient (-0.4362068966).
Square it (0.1902764566) and add it to both sides.

Add '0.1902764566' to each side of the equation.
-0.8724137931x + 0.1902764566 + x2 = -0.12 + 0.1902764566

Reorder the terms:
0.1902764566 + -0.8724137931x + x2 = -0.12 + 0.1902764566

Combine like terms: -0.12 + 0.1902764566 = 0.0702764566
0.1902764566 + -0.8724137931x + x2 = 0.0702764566

Factor a perfect square on the left side:
(x + -0.4362068966)(x + -0.4362068966) = 0.0702764566

Calculate the square root of the right side: 0.26509707

Break this problem into two subproblems by setting 
(x + -0.4362068966) equal to 0.26509707 and -0.26509707.

Subproblem 1

x + -0.4362068966 = 0.26509707 Simplifying x + -0.4362068966 = 0.26509707 Reorder the terms: -0.4362068966 + x = 0.26509707 Solving -0.4362068966 + x = 0.26509707 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4362068966' to each side of the equation. -0.4362068966 + 0.4362068966 + x = 0.26509707 + 0.4362068966 Combine like terms: -0.4362068966 + 0.4362068966 = 0.0000000000 0.0000000000 + x = 0.26509707 + 0.4362068966 x = 0.26509707 + 0.4362068966 Combine like terms: 0.26509707 + 0.4362068966 = 0.7013039666 x = 0.7013039666 Simplifying x = 0.7013039666

Subproblem 2

x + -0.4362068966 = -0.26509707 Simplifying x + -0.4362068966 = -0.26509707 Reorder the terms: -0.4362068966 + x = -0.26509707 Solving -0.4362068966 + x = -0.26509707 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.4362068966' to each side of the equation. -0.4362068966 + 0.4362068966 + x = -0.26509707 + 0.4362068966 Combine like terms: -0.4362068966 + 0.4362068966 = 0.0000000000 0.0000000000 + x = -0.26509707 + 0.4362068966 x = -0.26509707 + 0.4362068966 Combine like terms: -0.26509707 + 0.4362068966 = 0.1711098266 x = 0.1711098266 Simplifying x = 0.1711098266

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.7013039666, 0.1711098266}

See similar equations:

| (X-5)/3=10 | | 0=4x^2-5x-6 | | 2x=9+15 | | -90.3+n=-94 | | -23+x=x+21 | | 6.2t+4.46=-28.40 | | 14-48=5(x-1)-9 | | 6s-16=110 | | x^2-(m-1)x+3m-4=0 | | 278=-w+119 | | 128=-u+201 | | 7v-17=-5(v+1) | | x=64+16x+x^2-144 | | -7(x+5)-10=16+2 | | -2x-4=-22 | | x=sqrt(80-5x) | | .12x+.15x=32400 | | [z^(-1/3)*y^(2/3)]^5 | | 7(x+3)=9x+9 | | 6u+14=4(u+1) | | 6u+14=4(1[u+1]1) | | 3x+10=72+7x | | 256x^2+91x^2=14251 | | -1-2i/7-8i=0 | | n+(-5)=31 | | (-3/4)-(2/3)w=(-2/5) | | f(x)=3x^2-6x+15 | | 64x^2+32=0 | | (7+6i)+(9-3i)=0 | | 8x+4=5x+13 | | 4/x=25 | | (-3+2i)(-4-I)= |

Equations solver categories