3x^2+0.25-3x=0

Simple and best practice solution for 3x^2+0.25-3x=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 3x^2+0.25-3x=0 equation:


Simplifying
3x2 + 0.25 + -3x = 0

Reorder the terms:
0.25 + -3x + 3x2 = 0

Solving
0.25 + -3x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
0.08333333333 + -1x + x2 = 0

Move the constant term to the right:

Add '-0.08333333333' to each side of the equation.
0.08333333333 + -1x + -0.08333333333 + x2 = 0 + -0.08333333333

Reorder the terms:
0.08333333333 + -0.08333333333 + -1x + x2 = 0 + -0.08333333333

Combine like terms: 0.08333333333 + -0.08333333333 = 0.00000000000
0.00000000000 + -1x + x2 = 0 + -0.08333333333
-1x + x2 = 0 + -0.08333333333

Combine like terms: 0 + -0.08333333333 = -0.08333333333
-1x + x2 = -0.08333333333

The x term is -1x.  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.
-1x + 0.25 + x2 = -0.08333333333 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -0.08333333333 + 0.25

Combine like terms: -0.08333333333 + 0.25 = 0.16666666667
0.25 + -1x + x2 = 0.16666666667

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 0.16666666667

Calculate the square root of the right side: 0.40824829

Break this problem into two subproblems by setting 
(x + -0.5) equal to 0.40824829 and -0.40824829.

Subproblem 1

x + -0.5 = 0.40824829 Simplifying x + -0.5 = 0.40824829 Reorder the terms: -0.5 + x = 0.40824829 Solving -0.5 + x = 0.40824829 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 = 0.40824829 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 0.40824829 + 0.5 x = 0.40824829 + 0.5 Combine like terms: 0.40824829 + 0.5 = 0.90824829 x = 0.90824829 Simplifying x = 0.90824829

Subproblem 2

x + -0.5 = -0.40824829 Simplifying x + -0.5 = -0.40824829 Reorder the terms: -0.5 + x = -0.40824829 Solving -0.5 + x = -0.40824829 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 = -0.40824829 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -0.40824829 + 0.5 x = -0.40824829 + 0.5 Combine like terms: -0.40824829 + 0.5 = 0.09175171 x = 0.09175171 Simplifying x = 0.09175171

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.90824829, 0.09175171}

See similar equations:

| (6a)^3/4-(7)=479 | | -20=2v+3(v-5) | | (2-B)*B=0.13 | | -6x+5=-7x-8 | | -7-3b=8+2b | | (3x^2/4)-3x=0 | | 3x^2/4-3x=0 | | 3x^2/4-3x | | 18=3w+3(w+8) | | 0.3m=1.2 | | (3x^2/4)-3x | | 3q=q+14 | | b+81=10b | | v+6=4v | | k/15=7.5 | | a^8-4a^7+4a^6= | | -x+10-8x-2x=17 | | -1.6-9.9x-8.3x=13.712-8.8x-10.6 | | 0.5y=0.5x+0.5 | | 7=16cos^2x+3 | | 7=16cos^2+3 | | factorx^2+15x-34=0 | | x^2+35-5x=0 | | 7cos(3x+2)=5 | | x/2x=30 | | -3y+5=-2y-7 | | -(6+3y)=3y+6 | | (g+7)+(-8g+9)= | | -3+y=-(-2y-6) | | -(-1-8t)=-(-7t-9) | | 7y-42=3y+22 | | x^3+12x-15=0 |

Equations solver categories