2x^2-28x+147=0

Simple and best practice solution for 2x^2-28x+147=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 2x^2-28x+147=0 equation:


Simplifying
2x2 + -28x + 147 = 0

Reorder the terms:
147 + -28x + 2x2 = 0

Solving
147 + -28x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
73.5 + -14x + x2 = 0

Move the constant term to the right:

Add '-73.5' to each side of the equation.
73.5 + -14x + -73.5 + x2 = 0 + -73.5

Reorder the terms:
73.5 + -73.5 + -14x + x2 = 0 + -73.5

Combine like terms: 73.5 + -73.5 = 0.0
0.0 + -14x + x2 = 0 + -73.5
-14x + x2 = 0 + -73.5

Combine like terms: 0 + -73.5 = -73.5
-14x + x2 = -73.5

The x term is -14x.  Take half its coefficient (-7).
Square it (49) and add it to both sides.

Add '49' to each side of the equation.
-14x + 49 + x2 = -73.5 + 49

Reorder the terms:
49 + -14x + x2 = -73.5 + 49

Combine like terms: -73.5 + 49 = -24.5
49 + -14x + x2 = -24.5

Factor a perfect square on the left side:
(x + -7)(x + -7) = -24.5

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 217=7(3-4n) | | x^2+13x-255=0 | | p(t)=8000(1.02)t | | 104=-2(6x-4) | | 12x^2-1=-c | | 10y^3=270 | | 3b^2-2x-33=0 | | y=3/2x-20 | | -10=2(-5+b) | | 3y-6=6(y+1) | | -9+3n=-6 | | 100+9x=y | | e^3x-8=11^4x/13 | | -27=6x | | Y=1.3333333333x-12 | | -32=-19+x | | p^2+16p-6=16 | | Y=0.75x+12 | | 6tanx=-6 | | 4x^2+8=17 | | [6x-8]+12=7 | | Y*1.666666666666666666666666666666=y+10 | | 3/4t-7=2 | | 0.4x+9.1=7.7 | | d=-64t+16t^2 | | 6y^0/3x^-6 | | 2.5x+2y=225 | | (20+2x)+(30+2x)=1344 | | -9=x/9 | | 3/400x-5 | | 2x+4x+x=21 | | 84+12m=180 |

Equations solver categories