x^2+3.6x+5.22=0

Simple and best practice solution for x^2+3.6x+5.22=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 x^2+3.6x+5.22=0 equation:


Simplifying
x2 + 3.6x + 5.22 = 0

Reorder the terms:
5.22 + 3.6x + x2 = 0

Solving
5.22 + 3.6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-5.22' to each side of the equation.
5.22 + 3.6x + -5.22 + x2 = 0 + -5.22

Reorder the terms:
5.22 + -5.22 + 3.6x + x2 = 0 + -5.22

Combine like terms: 5.22 + -5.22 = 0.00
0.00 + 3.6x + x2 = 0 + -5.22
3.6x + x2 = 0 + -5.22

Combine like terms: 0 + -5.22 = -5.22
3.6x + x2 = -5.22

The x term is 3.6x.  Take half its coefficient (1.8).
Square it (3.24) and add it to both sides.

Add '3.24' to each side of the equation.
3.6x + 3.24 + x2 = -5.22 + 3.24

Reorder the terms:
3.24 + 3.6x + x2 = -5.22 + 3.24

Combine like terms: -5.22 + 3.24 = -1.98
3.24 + 3.6x + x2 = -1.98

Factor a perfect square on the left side:
(x + 1.8)(x + 1.8) = -1.98

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| P=a*b | | 92.00=0.50x+27 | | 3x/4(2x+1)=x/3+6x/9 | | (2a+6b)(2a-6b)= | | -7x-6=-102+5x | | 5x+3y-x+2y= | | y=0.50*100+27 | | y=0.50*50+27 | | 4x-5=-2+3x | | 7e^2x-5=27 | | 50+x^2+8y+y^2=0 | | (2y-9)(-9y^2+9y+2)= | | 3x+2=4x+8 | | 6(t+5)=16 | | (3x+7)+(x-4)= | | -2x-4.4+7x=1.8 | | 0.525/x=0.25 | | (2x*2+4x+1)+(x*2+2x+5)= | | (X-8)(7y^2+5y+2)= | | 2(5-3x)+3(2x-1)=2x+1 | | 1/2x+20=3x-85 | | (x+5/20)=15 | | 8+7x=-7x+50 | | x+6/20=15 | | C=400m | | 4*0+3y=-12 | | x^2+y^2+10+8y+40=0 | | -7x+6=-39+2x | | x+7=-48+6x | | 2x+x=2.25 | | 8r^2-9=279 | | -8=x-3x+6 |

Equations solver categories