0.055x^2+1.1x=40

Simple and best practice solution for 0.055x^2+1.1x=40 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 0.055x^2+1.1x=40 equation:


Simplifying
0.055x2 + 1.1x = 40

Reorder the terms:
1.1x + 0.055x2 = 40

Solving
1.1x + 0.055x2 = 40

Solving for variable 'x'.

Reorder the terms:
-40 + 1.1x + 0.055x2 = 40 + -40

Combine like terms: 40 + -40 = 0
-40 + 1.1x + 0.055x2 = 0

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

Divide each side by '0.055'.
-727.2727273 + 20x + x2 = 0

Move the constant term to the right:

Add '727.2727273' to each side of the equation.
-727.2727273 + 20x + 727.2727273 + x2 = 0 + 727.2727273

Reorder the terms:
-727.2727273 + 727.2727273 + 20x + x2 = 0 + 727.2727273

Combine like terms: -727.2727273 + 727.2727273 = 0.0000000
0.0000000 + 20x + x2 = 0 + 727.2727273
20x + x2 = 0 + 727.2727273

Combine like terms: 0 + 727.2727273 = 727.2727273
20x + x2 = 727.2727273

The x term is 20x.  Take half its coefficient (10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
20x + 100 + x2 = 727.2727273 + 100

Reorder the terms:
100 + 20x + x2 = 727.2727273 + 100

Combine like terms: 727.2727273 + 100 = 827.2727273
100 + 20x + x2 = 827.2727273

Factor a perfect square on the left side:
(x + 10)(x + 10) = 827.2727273

Calculate the square root of the right side: 28.762349127

Break this problem into two subproblems by setting 
(x + 10) equal to 28.762349127 and -28.762349127.

Subproblem 1

x + 10 = 28.762349127 Simplifying x + 10 = 28.762349127 Reorder the terms: 10 + x = 28.762349127 Solving 10 + x = 28.762349127 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = 28.762349127 + -10 Combine like terms: 10 + -10 = 0 0 + x = 28.762349127 + -10 x = 28.762349127 + -10 Combine like terms: 28.762349127 + -10 = 18.762349127 x = 18.762349127 Simplifying x = 18.762349127

Subproblem 2

x + 10 = -28.762349127 Simplifying x + 10 = -28.762349127 Reorder the terms: 10 + x = -28.762349127 Solving 10 + x = -28.762349127 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = -28.762349127 + -10 Combine like terms: 10 + -10 = 0 0 + x = -28.762349127 + -10 x = -28.762349127 + -10 Combine like terms: -28.762349127 + -10 = -38.762349127 x = -38.762349127 Simplifying x = -38.762349127

Solution

The solution to the problem is based on the solutions from the subproblems. x = {18.762349127, -38.762349127}

See similar equations:

| 8+6x=8+8x-7+3 | | w+7=-5 | | 0.25x+3.4=-7 | | 8=-5+u | | N+4N=225 | | 3(7-2y)=19 | | 20x+5+24x-1= | | 5b-8(4b+5)=176 | | 6(3X+3)-2(9X+9)= | | 84=6(6-8n) | | 30=.5(12)(h) | | .5x+x= | | -2r-6r=8-7r | | 2-15y=5(-3y+2) | | 75C^2-192=0 | | 4x-2=-8+6x+x | | 3p+14=-24+5p | | 5.1q-3.5-4.69=0.5-2.4 | | 4(2-2X)-5(6-X)= | | 2x+-7=0.1(-7+3) | | -x^2+2x+.25=3 | | 3+7(x+8)=87 | | -x^2-2x+.25=3 | | .5x+x+1.25x= | | 11x=20x+8 | | 5(w+1)=3(w+1) | | 5(y+5)=21 | | 18.5+2.25h=47.75 | | 8(4v+4)=4(5+7V) | | 7-8b=10-b | | -3a+5a=-(4a+4)-(-a+1) | | -5h+3=-7 |

Equations solver categories