x=-16x^2+3200

Simple and best practice solution for x=-16x^2+3200 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=-16x^2+3200 equation:


Simplifying
x = -16x2 + 3200

Reorder the terms:
x = 3200 + -16x2

Solving
x = 3200 + -16x2

Solving for variable 'x'.

Reorder the terms:
-3200 + x + 16x2 = 3200 + -16x2 + -3200 + 16x2

Reorder the terms:
-3200 + x + 16x2 = 3200 + -3200 + -16x2 + 16x2

Combine like terms: 3200 + -3200 = 0
-3200 + x + 16x2 = 0 + -16x2 + 16x2
-3200 + x + 16x2 = -16x2 + 16x2

Combine like terms: -16x2 + 16x2 = 0
-3200 + x + 16x2 = 0

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

Divide each side by '16'.
-200 + 0.0625x + x2 = 0

Move the constant term to the right:

Add '200' to each side of the equation.
-200 + 0.0625x + 200 + x2 = 0 + 200

Reorder the terms:
-200 + 200 + 0.0625x + x2 = 0 + 200

Combine like terms: -200 + 200 = 0
0 + 0.0625x + x2 = 0 + 200
0.0625x + x2 = 0 + 200

Combine like terms: 0 + 200 = 200
0.0625x + x2 = 200

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.0625x + 0.25 + x2 = 200 + 0.25

Reorder the terms:
0.25 + 0.0625x + x2 = 200 + 0.25

Combine like terms: 200 + 0.25 = 200.25
0.25 + 0.0625x + x2 = 200.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 200.25

Calculate the square root of the right side: 14.150971698

Break this problem into two subproblems by setting 
(x + 0.5) equal to 14.150971698 and -14.150971698.

Subproblem 1

x + 0.5 = 14.150971698 Simplifying x + 0.5 = 14.150971698 Reorder the terms: 0.5 + x = 14.150971698 Solving 0.5 + x = 14.150971698 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 14.150971698 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 14.150971698 + -0.5 x = 14.150971698 + -0.5 Combine like terms: 14.150971698 + -0.5 = 13.650971698 x = 13.650971698 Simplifying x = 13.650971698

Subproblem 2

x + 0.5 = -14.150971698 Simplifying x + 0.5 = -14.150971698 Reorder the terms: 0.5 + x = -14.150971698 Solving 0.5 + x = -14.150971698 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -14.150971698 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -14.150971698 + -0.5 x = -14.150971698 + -0.5 Combine like terms: -14.150971698 + -0.5 = -14.650971698 x = -14.650971698 Simplifying x = -14.650971698

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.650971698, -14.650971698}

See similar equations:

| 3y-20=124 | | 49x^2=81 | | -8-3v=-4v-1 | | 3y-20=64 | | 2t^2-2t-12/4t^2-16+12 | | x(x-12)+20=0 | | x/7-2=2 | | 3y-20=56 | | 14-(-9x)+5x-(10)= | | 3y-20=32 | | 1+5v=6v-8 | | x^3+6x^2+10x=-8 | | y-24=64 | | -9+9n=7+7n | | -2x-40=-7(x+8)+6 | | y-24=56 | | y-24=32 | | (-3,-5)(2,-1)= | | (6)/(c+1)-(c)/(c^2-2c-8) | | factor(5n+6)(5n-7)= | | v(13v+3)=10 | | -3(t-2)+5t=8t-5 | | (5n+6)(5n-7)= | | y+14=-4 | | E^3x=124 | | 168=7(3+7x) | | 3x+8=6x-7 | | 12x-9=-11 | | 5x-2=2+5 | | 12x-5+90+45=180 | | 7/9=3n+1/9 | | 2(x+4)-3=5 |

Equations solver categories