37=.0021x^2-.286x+16.28

Simple and best practice solution for 37=.0021x^2-.286x+16.28 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 37=.0021x^2-.286x+16.28 equation:


Simplifying
37 = 0.0021x2 + -0.286x + 16.28

Reorder the terms:
37 = 16.28 + -0.286x + 0.0021x2

Solving
37 = 16.28 + -0.286x + 0.0021x2

Solving for variable 'x'.

Combine like terms: 37 + -16.28 = 20.72
20.72 + 0.286x + -0.0021x2 = 16.28 + -0.286x + 0.0021x2 + -16.28 + 0.286x + -0.0021x2

Reorder the terms:
20.72 + 0.286x + -0.0021x2 = 16.28 + -16.28 + -0.286x + 0.286x + 0.0021x2 + -0.0021x2

Combine like terms: 16.28 + -16.28 = 0.00
20.72 + 0.286x + -0.0021x2 = 0.00 + -0.286x + 0.286x + 0.0021x2 + -0.0021x2
20.72 + 0.286x + -0.0021x2 = -0.286x + 0.286x + 0.0021x2 + -0.0021x2

Combine like terms: -0.286x + 0.286x = 0.000
20.72 + 0.286x + -0.0021x2 = 0.000 + 0.0021x2 + -0.0021x2
20.72 + 0.286x + -0.0021x2 = 0.0021x2 + -0.0021x2

Combine like terms: 0.0021x2 + -0.0021x2 = 0.0000
20.72 + 0.286x + -0.0021x2 = 0.0000

Begin completing the square.  Divide all terms by
-0.0021 the coefficient of the squared term: 

Divide each side by '-0.0021'.
-9866.666667 + -136.1904762x + x2 = 0

Move the constant term to the right:

Add '9866.666667' to each side of the equation.
-9866.666667 + -136.1904762x + 9866.666667 + x2 = 0 + 9866.666667

Reorder the terms:
-9866.666667 + 9866.666667 + -136.1904762x + x2 = 0 + 9866.666667

Combine like terms: -9866.666667 + 9866.666667 = 0.000000
0.000000 + -136.1904762x + x2 = 0 + 9866.666667
-136.1904762x + x2 = 0 + 9866.666667

Combine like terms: 0 + 9866.666667 = 9866.666667
-136.1904762x + x2 = 9866.666667

The x term is -136.1904762x.  Take half its coefficient (-68.0952381).
Square it (4636.961452) and add it to both sides.

Add '4636.961452' to each side of the equation.
-136.1904762x + 4636.961452 + x2 = 9866.666667 + 4636.961452

Reorder the terms:
4636.961452 + -136.1904762x + x2 = 9866.666667 + 4636.961452

Combine like terms: 9866.666667 + 4636.961452 = 14503.628119
4636.961452 + -136.1904762x + x2 = 14503.628119

Factor a perfect square on the left side:
(x + -68.0952381)(x + -68.0952381) = 14503.628119

Calculate the square root of the right side: 120.43100979

Break this problem into two subproblems by setting 
(x + -68.0952381) equal to 120.43100979 and -120.43100979.

Subproblem 1

x + -68.0952381 = 120.43100979 Simplifying x + -68.0952381 = 120.43100979 Reorder the terms: -68.0952381 + x = 120.43100979 Solving -68.0952381 + x = 120.43100979 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '68.0952381' to each side of the equation. -68.0952381 + 68.0952381 + x = 120.43100979 + 68.0952381 Combine like terms: -68.0952381 + 68.0952381 = 0.0000000 0.0000000 + x = 120.43100979 + 68.0952381 x = 120.43100979 + 68.0952381 Combine like terms: 120.43100979 + 68.0952381 = 188.52624789 x = 188.52624789 Simplifying x = 188.52624789

Subproblem 2

x + -68.0952381 = -120.43100979 Simplifying x + -68.0952381 = -120.43100979 Reorder the terms: -68.0952381 + x = -120.43100979 Solving -68.0952381 + x = -120.43100979 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '68.0952381' to each side of the equation. -68.0952381 + 68.0952381 + x = -120.43100979 + 68.0952381 Combine like terms: -68.0952381 + 68.0952381 = 0.0000000 0.0000000 + x = -120.43100979 + 68.0952381 x = -120.43100979 + 68.0952381 Combine like terms: -120.43100979 + 68.0952381 = -52.33577169 x = -52.33577169 Simplifying x = -52.33577169

Solution

The solution to the problem is based on the solutions from the subproblems. x = {188.52624789, -52.33577169}

See similar equations:

| 3x+2y-z=9 | | 9=(x-41)/18 | | X+5+(-5)=11 | | -9y+7=25y-4 | | 3(6z-1)-4(z+5)=6(z+1) | | 3(r-6)+2=4(r+2) | | 17x-36=3x+6 | | X-100=Y | | 32+.75=47 | | (r/4)=18 | | 80p^2-405=0 | | (1/2x)-8=(5/8x) | | 10t^2+31t+15=0 | | X+46=1 | | Z+3=74 | | 16+x-11=18-15 | | 4+9p-2=7p+8-4p | | Z-27=112 | | 20r/y*3y/5z | | x^(3/2)-48x^(1/2) | | Y-23=183 | | 5(t-3)+3t=4(2t+3)-11 | | 73x+2=-144x+71 | | y=55x+65 | | 73x+2=-2x+144 | | 0.8(x+60)+0.8x=112 | | 4b^2-28b-240=x | | Z+10=72 | | 67x+-37=-67+37 | | 12v+10v+15=80 | | 4*5/6 | | (4x+7)+(4x+6)+4x=4x+4x+5x+3 |

Equations solver categories