0.3125=-16x^2+10x

Simple and best practice solution for 0.3125=-16x^2+10x 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 0.3125=-16x^2+10x equation:


Simplifying
0.3125 = -16x2 + 10x

Reorder the terms:
0.3125 = 10x + -16x2

Solving
0.3125 = 10x + -16x2

Solving for variable 'x'.

Reorder the terms:
0.3125 + -10x + 16x2 = 10x + -10x + -16x2 + 16x2

Combine like terms: 10x + -10x = 0
0.3125 + -10x + 16x2 = 0 + -16x2 + 16x2
0.3125 + -10x + 16x2 = -16x2 + 16x2

Combine like terms: -16x2 + 16x2 = 0
0.3125 + -10x + 16x2 = 0

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

Divide each side by '16'.
0.01953125 + -0.625x + x2 = 0

Move the constant term to the right:

Add '-0.01953125' to each side of the equation.
0.01953125 + -0.625x + -0.01953125 + x2 = 0 + -0.01953125

Reorder the terms:
0.01953125 + -0.01953125 + -0.625x + x2 = 0 + -0.01953125

Combine like terms: 0.01953125 + -0.01953125 = 0.00000000
0.00000000 + -0.625x + x2 = 0 + -0.01953125
-0.625x + x2 = 0 + -0.01953125

Combine like terms: 0 + -0.01953125 = -0.01953125
-0.625x + x2 = -0.01953125

The x term is -0.625x.  Take half its coefficient (-0.3125).
Square it (0.09765625) and add it to both sides.

Add '0.09765625' to each side of the equation.
-0.625x + 0.09765625 + x2 = -0.01953125 + 0.09765625

Reorder the terms:
0.09765625 + -0.625x + x2 = -0.01953125 + 0.09765625

Combine like terms: -0.01953125 + 0.09765625 = 0.078125
0.09765625 + -0.625x + x2 = 0.078125

Factor a perfect square on the left side:
(x + -0.3125)(x + -0.3125) = 0.078125

Calculate the square root of the right side: 0.279508497

Break this problem into two subproblems by setting 
(x + -0.3125) equal to 0.279508497 and -0.279508497.

Subproblem 1

x + -0.3125 = 0.279508497 Simplifying x + -0.3125 = 0.279508497 Reorder the terms: -0.3125 + x = 0.279508497 Solving -0.3125 + x = 0.279508497 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3125' to each side of the equation. -0.3125 + 0.3125 + x = 0.279508497 + 0.3125 Combine like terms: -0.3125 + 0.3125 = 0.0000 0.0000 + x = 0.279508497 + 0.3125 x = 0.279508497 + 0.3125 Combine like terms: 0.279508497 + 0.3125 = 0.592008497 x = 0.592008497 Simplifying x = 0.592008497

Subproblem 2

x + -0.3125 = -0.279508497 Simplifying x + -0.3125 = -0.279508497 Reorder the terms: -0.3125 + x = -0.279508497 Solving -0.3125 + x = -0.279508497 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3125' to each side of the equation. -0.3125 + 0.3125 + x = -0.279508497 + 0.3125 Combine like terms: -0.3125 + 0.3125 = 0.0000 0.0000 + x = -0.279508497 + 0.3125 x = -0.279508497 + 0.3125 Combine like terms: -0.279508497 + 0.3125 = 0.032991503 x = 0.032991503 Simplifying x = 0.032991503

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.592008497, 0.032991503}

See similar equations:

| 2x^2+5y+2=0 | | 9(x+2)=-6(x+7) | | X^2=9x+120 | | 5X-3=2X^2 | | 6(x+2)-4x=48 | | 14m+21m^2n= | | 4X+77=X^2 | | 2(3.7x+8)=x+1.9 | | -6(4+7x)=-486 | | 6d+9a^2= | | 2y^2=39y-17 | | x+5-5x=-8x-11 | | -7(x-7)-(-8x+9)=4 | | 12x=14x+21 | | 8x+9=56 | | -1550-7x=0 | | 4x+12x+8x-12+4x-32+12x+4=108 | | -1550-7x=-1564 | | 2r-3s=0 | | 3(2x-5)=5(x+5) | | 9x^2+6x+1=-27 | | 4x+12x+8x-12+4x-32+12x+4=360 | | 3x+4y=26 | | a^2+2a-3=0 | | 4x^2+20x+25=-20 | | -15+9x=4x | | x^2+2x+1=-10 | | 2x+5=-10-5x | | x^4+17x^3+60x^2-59x+77=0 | | 2x+20=40 | | x^2-4x+4=-64 | | 15x+12=p |

Equations solver categories