4.2=0.1006x^2-0.7232x+5.5518

Simple and best practice solution for 4.2=0.1006x^2-0.7232x+5.5518 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 4.2=0.1006x^2-0.7232x+5.5518 equation: 


Simplifying
4.2 = 0.1006x2 + -0.7232x + 5.5518

Reorder the terms:
4.2 = 5.5518 + -0.7232x + 0.1006x2

Solving
4.2 = 5.5518 + -0.7232x + 0.1006x2

Solving for variable 'x'.

Combine like terms: 4.2 + -5.5518 = -1.3518
-1.3518 + 0.7232x + -0.1006x2 = 5.5518 + -0.7232x + 0.1006x2 + -5.5518 + 0.7232x + -0.1006x2

Reorder the terms:
-1.3518 + 0.7232x + -0.1006x2 = 5.5518 + -5.5518 + -0.7232x + 0.7232x + 0.1006x2 + -0.1006x2

Combine like terms: 5.5518 + -5.5518 = 0.0000
-1.3518 + 0.7232x + -0.1006x2 = 0.0000 + -0.7232x + 0.7232x + 0.1006x2 + -0.1006x2
-1.3518 + 0.7232x + -0.1006x2 = -0.7232x + 0.7232x + 0.1006x2 + -0.1006x2

Combine like terms: -0.7232x + 0.7232x = 0.0000
-1.3518 + 0.7232x + -0.1006x2 = 0.0000 + 0.1006x2 + -0.1006x2
-1.3518 + 0.7232x + -0.1006x2 = 0.1006x2 + -0.1006x2

Combine like terms: 0.1006x2 + -0.1006x2 = 0.0000
-1.3518 + 0.7232x + -0.1006x2 = 0.0000

Begin completing the square.  Divide all terms by
-0.1006 the coefficient of the squared term: 

Divide each side by '-0.1006'.
13.43737575 + -7.188866799x + x2 = 0

Move the constant term to the right:

Add '-13.43737575' to each side of the equation.
13.43737575 + -7.188866799x + -13.43737575 + x2 = 0 + -13.43737575

Reorder the terms:
13.43737575 + -13.43737575 + -7.188866799x + x2 = 0 + -13.43737575

Combine like terms: 13.43737575 + -13.43737575 = 0.00000000
0.00000000 + -7.188866799x + x2 = 0 + -13.43737575
-7.188866799x + x2 = 0 + -13.43737575

Combine like terms: 0 + -13.43737575 = -13.43737575
-7.188866799x + x2 = -13.43737575

The x term is -7.188866799x.  Take half its coefficient (-3.5944334).
Square it (12.91995147) and add it to both sides.

Add '12.91995147' to each side of the equation.
-7.188866799x + 12.91995147 + x2 = -13.43737575 + 12.91995147

Reorder the terms:
12.91995147 + -7.188866799x + x2 = -13.43737575 + 12.91995147

Combine like terms: -13.43737575 + 12.91995147 = -0.51742428
12.91995147 + -7.188866799x + x2 = -0.51742428

Factor a perfect square on the left side:
(x + -3.5944334)(x + -3.5944334) = -0.51742428

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 0=0.1006x^2-0.7232x+5.5518 | | y=0.1006x^2-0.7232x+5.5518 | | 5.12=2x^2 | | .5x^3+x^2+5=3x^2-.5x+5 | | 2x^3-7x^2+5x=2 | | f(-2)=2-5x | | 5(2x+14)-10=-6 | | 7/x=5/11 | | x+0.6=3.2 | | 3t-8+4t=7t-8 | | 5=7p-9 | | x-.6=3.2 | | 5(2x+14)-10= | | 3(27-4)=5(z+2) | | 2k-3/23 | | 3(2x+18)-10= | | 4y+11=3y-3 | | 3x+14=x-1 | | 14-9w=12w-21 | | 77*5(X-10)=14*4(X-6) | | -0.3a+1.2=-3.6 | | -1.5y+1.2=25.2 | | X^4-13x^2-12x= | | m^-1m^5/m^-2 | | 2x^6-3x^4-8x^2+12=0 | | 0.5x=1.2 | | x^2+x+91=0 | | 15k+44=37k+8 | | 24y-9=13+9y | | (2+a)9=90 | | (-13)(-5)= | | x^3=9x^2-4x+4 |

Equations solver categories