0.2x^2-1.8x+5.572=0

Simple and best practice solution for 0.2x^2-1.8x+5.572=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 0.2x^2-1.8x+5.572=0 equation:


Simplifying
0.2x2 + -1.8x + 5.572 = 0

Reorder the terms:
5.572 + -1.8x + 0.2x2 = 0

Solving
5.572 + -1.8x + 0.2x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.2'.
27.86 + -9x + x2 = 0

Move the constant term to the right:

Add '-27.86' to each side of the equation.
27.86 + -9x + -27.86 + x2 = 0 + -27.86

Reorder the terms:
27.86 + -27.86 + -9x + x2 = 0 + -27.86

Combine like terms: 27.86 + -27.86 = 0.00
0.00 + -9x + x2 = 0 + -27.86
-9x + x2 = 0 + -27.86

Combine like terms: 0 + -27.86 = -27.86
-9x + x2 = -27.86

The x term is -9x.  Take half its coefficient (-4.5).
Square it (20.25) and add it to both sides.

Add '20.25' to each side of the equation.
-9x + 20.25 + x2 = -27.86 + 20.25

Reorder the terms:
20.25 + -9x + x2 = -27.86 + 20.25

Combine like terms: -27.86 + 20.25 = -7.61
20.25 + -9x + x2 = -7.61

Factor a perfect square on the left side:
(x + -4.5)(x + -4.5) = -7.61

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| r^2+2r+50=0 | | 12x+4=20x-4 | | 1r^2+2r+50=0 | | r^2-12r-38=10 | | 13=18x-1 | | 3.86=12.3x-4.9x^2 | | 10-5=2x-11 | | [-6x+(4x+3)]=7-(5x+6) | | (5y-11)=104 | | 16-2y=5y+9 | | x^2=18z | | 6.8=a/14 | | 5x+6-3x=34+8x-10 | | 5(t)=-16t^2+40t+5 | | (1-2/5*1/3)/.5 | | (6x+57)=75 | | 6(2x+1)-3-2x=103 | | Fx=x^3-1 | | 3y+2x+5p=2p+3x-2y | | 12x^2+18x-16=0 | | 16=-5+6(s-8) | | iz^5+1-i=0 | | Y=-7/10(x-5) | | 1=3/x | | (1-2/5X1/3)/1/2 | | 3.9=18x-4.9x^2 | | 5=13n+21 | | 8y+48x-40=0 | | 2x^2=936 | | y/4-19=-7 | | 6m+2.3=-7 | | 16t^2-64t-960=0 |

Equations solver categories