=.0002x^2-.316x+127.9

Simple and best practice solution for =.0002x^2-.316x+127.9 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 =.0002x^2-.316x+127.9 equation:


Simplifying
0 = 0.0002x2 + -0.316x + 127.9

Reorder the terms:
0 = 127.9 + -0.316x + 0.0002x2

Solving
0 = 127.9 + -0.316x + 0.0002x2

Solving for variable 'x'.

Combine like terms: 0 + -127.9 = -127.9
-127.9 + 0.316x + -0.0002x2 = 127.9 + -0.316x + 0.0002x2 + -127.9 + 0.316x + -0.0002x2

Reorder the terms:
-127.9 + 0.316x + -0.0002x2 = 127.9 + -127.9 + -0.316x + 0.316x + 0.0002x2 + -0.0002x2

Combine like terms: 127.9 + -127.9 = 0.0
-127.9 + 0.316x + -0.0002x2 = 0.0 + -0.316x + 0.316x + 0.0002x2 + -0.0002x2
-127.9 + 0.316x + -0.0002x2 = -0.316x + 0.316x + 0.0002x2 + -0.0002x2

Combine like terms: -0.316x + 0.316x = 0.000
-127.9 + 0.316x + -0.0002x2 = 0.000 + 0.0002x2 + -0.0002x2
-127.9 + 0.316x + -0.0002x2 = 0.0002x2 + -0.0002x2

Combine like terms: 0.0002x2 + -0.0002x2 = 0.0000
-127.9 + 0.316x + -0.0002x2 = 0.0000

Begin completing the square.  Divide all terms by
-0.0002 the coefficient of the squared term: 

Divide each side by '-0.0002'.
639500 + -1580x + x2 = 0

Move the constant term to the right:

Add '-639500' to each side of the equation.
639500 + -1580x + -639500 + x2 = 0 + -639500

Reorder the terms:
639500 + -639500 + -1580x + x2 = 0 + -639500

Combine like terms: 639500 + -639500 = 0
0 + -1580x + x2 = 0 + -639500
-1580x + x2 = 0 + -639500

Combine like terms: 0 + -639500 = -639500
-1580x + x2 = -639500

The x term is -1580x.  Take half its coefficient (-790).
Square it (624100) and add it to both sides.

Add '624100' to each side of the equation.
-1580x + 624100 + x2 = -639500 + 624100

Reorder the terms:
624100 + -1580x + x2 = -639500 + 624100

Combine like terms: -639500 + 624100 = -15400
624100 + -1580x + x2 = -15400

Factor a perfect square on the left side:
(x + -790)(x + -790) = -15400

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| (x-6)(2x-6)=0 | | 40=5-2x | | 12x-10y=-3 | | 4(2+x)=3-(x-1) | | 5x+19y=3 | | (15b-6)-7(2b+4)=-2 | | sinx^5*cosx^2=(cosx^2-2*cosx^4+cosx^6)*sinx | | 7(u+8)=-6(2u-9)+3u | | -18m-9=87 | | 8x^2-3=28 | | 8x+1-9x=9-(x+4) | | 4t^2+10t-16=0 | | -10=6(w-4)-8w | | 5.4=-6+x | | 2x+4=20x | | 5%/100%=x/1 | | 4(x+4)=8x+12-4x+4 | | 8(x+4)-3x=4(x+8)+x | | 2-6(j+3)=9j-4 | | -9=2+9y | | Y=4x+7x-3 | | a=bc+x^2 | | 6x-(3x+7)=7x-35 | | -7(w+1)=6w-20 | | 9k-5+3k=7 | | 2e^7x+5=7 | | 3y-4=14y+73 | | 8n-5=5n+16 | | x^2-49=(x+c)(x+d) | | 5x-2y=42 | | 100=4-3x(0.5) | | lx+2l=12 |

Equations solver categories