-x^2+.5x+.47375=0

Simple and best practice solution for -x^2+.5x+.47375=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 -x^2+.5x+.47375=0 equation:


Simplifying
-1x2 + 0.5x + 0.47375 = 0

Reorder the terms:
0.47375 + 0.5x + -1x2 = 0

Solving
0.47375 + 0.5x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-0.47375 + -0.5x + x2 = 0

Move the constant term to the right:

Add '0.47375' to each side of the equation.
-0.47375 + -0.5x + 0.47375 + x2 = 0 + 0.47375

Reorder the terms:
-0.47375 + 0.47375 + -0.5x + x2 = 0 + 0.47375

Combine like terms: -0.47375 + 0.47375 = 0.00000
0.00000 + -0.5x + x2 = 0 + 0.47375
-0.5x + x2 = 0 + 0.47375

Combine like terms: 0 + 0.47375 = 0.47375
-0.5x + x2 = 0.47375

The x term is -0.5x.  Take half its coefficient (-0.25).
Square it (0.0625) and add it to both sides.

Add '0.0625' to each side of the equation.
-0.5x + 0.0625 + x2 = 0.47375 + 0.0625

Reorder the terms:
0.0625 + -0.5x + x2 = 0.47375 + 0.0625

Combine like terms: 0.47375 + 0.0625 = 0.53625
0.0625 + -0.5x + x2 = 0.53625

Factor a perfect square on the left side:
(x + -0.25)(x + -0.25) = 0.53625

Calculate the square root of the right side: 0.732290926

Break this problem into two subproblems by setting 
(x + -0.25) equal to 0.732290926 and -0.732290926.

Subproblem 1

x + -0.25 = 0.732290926 Simplifying x + -0.25 = 0.732290926 Reorder the terms: -0.25 + x = 0.732290926 Solving -0.25 + x = 0.732290926 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + x = 0.732290926 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + x = 0.732290926 + 0.25 x = 0.732290926 + 0.25 Combine like terms: 0.732290926 + 0.25 = 0.982290926 x = 0.982290926 Simplifying x = 0.982290926

Subproblem 2

x + -0.25 = -0.732290926 Simplifying x + -0.25 = -0.732290926 Reorder the terms: -0.25 + x = -0.732290926 Solving -0.25 + x = -0.732290926 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.25' to each side of the equation. -0.25 + 0.25 + x = -0.732290926 + 0.25 Combine like terms: -0.25 + 0.25 = 0.00 0.00 + x = -0.732290926 + 0.25 x = -0.732290926 + 0.25 Combine like terms: -0.732290926 + 0.25 = -0.482290926 x = -0.482290926 Simplifying x = -0.482290926

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.982290926, -0.482290926}

See similar equations:

| -6+2x=7 | | -q-3s=-42 | | -3(b+3)=-7(b-6)+1 | | x^2+y^2-12x+18y-4=0 | | 2x=x+58 | | 19x=13y-5 | | cos(πx/4) | | 6+4x+7x=3(6x-12)-4(x+6) | | Y=-5.1+0.41x+-0.005x^2 | | 11(3p+5x)+4x-x= | | 2x+15=27-4y | | 3(x-3)+1=-2(x+1) | | x^(2/5)(3sqrt(2/5x)) | | 5(1+3m)=10(m+1) | | x^2-2x-15=65 | | x^(2/5 | | 12/6=7 | | 2x^2+x=.925 | | X^2/80,000 | | 2ln(x)+6=0 | | 8+(n-4)= | | 2x+3x-2=-8 | | s=ut+0.5at | | 9(2n-1)=(5n+4)+5 | | (3-1)(x+1)=3x | | -25+5x-2x=11 | | r-11/=-7 | | -2(n-4)=10 | | 14x+0.8=1.3 | | 4t(y+3)=2y-(5y-27) | | -4x+7x-26=31 | | 4x+6=-3+2x+25 |

Equations solver categories