50=20x-4.9x^2

Simple and best practice solution for 50=20x-4.9x^2 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 50=20x-4.9x^2 equation: 


Simplifying
50 = 20x + -4.9x2

Solving
50 = 20x + -4.9x2

Solving for variable 'x'.

Reorder the terms:
50 + -20x + 4.9x2 = 20x + -20x + -4.9x2 + 4.9x2

Combine like terms: 20x + -20x = 0
50 + -20x + 4.9x2 = 0 + -4.9x2 + 4.9x2
50 + -20x + 4.9x2 = -4.9x2 + 4.9x2

Combine like terms: -4.9x2 + 4.9x2 = 0.0
50 + -20x + 4.9x2 = 0.0

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

Divide each side by '4.9'.
10.20408163 + -4.081632653x + x2 = 0

Move the constant term to the right:

Add '-10.20408163' to each side of the equation.
10.20408163 + -4.081632653x + -10.20408163 + x2 = 0 + -10.20408163

Reorder the terms:
10.20408163 + -10.20408163 + -4.081632653x + x2 = 0 + -10.20408163

Combine like terms: 10.20408163 + -10.20408163 = 0.00000000
0.00000000 + -4.081632653x + x2 = 0 + -10.20408163
-4.081632653x + x2 = 0 + -10.20408163

Combine like terms: 0 + -10.20408163 = -10.20408163
-4.081632653x + x2 = -10.20408163

The x term is -4.081632653x.  Take half its coefficient (-2.040816327).
Square it (4.164931281) and add it to both sides.

Add '4.164931281' to each side of the equation.
-4.081632653x + 4.164931281 + x2 = -10.20408163 + 4.164931281

Reorder the terms:
4.164931281 + -4.081632653x + x2 = -10.20408163 + 4.164931281

Combine like terms: -10.20408163 + 4.164931281 = -6.039150349
4.164931281 + -4.081632653x + x2 = -6.039150349

Factor a perfect square on the left side:
(x + -2.040816327)(x + -2.040816327) = -6.039150349

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 80+.5x=30+.60x | | 2x-27=4x+12 | | -2a+8+6a=-15 | | 3x-18=4x+8-21 | | 15m=90 | | 8p=2(p-6) | | 5x-7=82.5 | | 5c+9u+2d= | | 6+3x-6=18 | | 6(x-6)+6=3(x-5) | | -12=2(x+4) | | Y=mc | | 14+p=25 | | 9+x=-12 | | 270=70+(25+9)w | | (4+2i)(-3-2i)= | | 8c+3c=-70 | | 3p=5p-12 | | -8y+16=4(-2y+4) | | 0.7x-0.7(4-x)=3.5 | | 12a+3=45-6a | | 3(x-1)-12=10 | | 2x-20+2x=180 | | 12x+10y=252 | | 7(h+3)=-3 | | 15+a=22 | | ((2*30)+4x)+((1*30)+1x)=165 | | 6z-19=4z-11 | | 4(3+2)-16=16 | | 3(t+1)=9+7 | | 6m-5=3m-5 | | 0=6x^2-3x |

Equations solver categories