5x^2=3-x

Simple and best practice solution for 5x^2=3-x 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 5x^2=3-x equation:


Simplifying
5x2 = 3 + -1x

Solving
5x2 = 3 + -1x

Solving for variable 'x'.

Reorder the terms:
-3 + x + 5x2 = 3 + -1x + -3 + x

Reorder the terms:
-3 + x + 5x2 = 3 + -3 + -1x + x

Combine like terms: 3 + -3 = 0
-3 + x + 5x2 = 0 + -1x + x
-3 + x + 5x2 = -1x + x

Combine like terms: -1x + x = 0
-3 + x + 5x2 = 0

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

Divide each side by '5'.
-0.6 + 0.2x + x2 = 0

Move the constant term to the right:

Add '0.6' to each side of the equation.
-0.6 + 0.2x + 0.6 + x2 = 0 + 0.6

Reorder the terms:
-0.6 + 0.6 + 0.2x + x2 = 0 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + 0.2x + x2 = 0 + 0.6
0.2x + x2 = 0 + 0.6

Combine like terms: 0 + 0.6 = 0.6
0.2x + x2 = 0.6

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.
0.2x + 0.25 + x2 = 0.6 + 0.25

Reorder the terms:
0.25 + 0.2x + x2 = 0.6 + 0.25

Combine like terms: 0.6 + 0.25 = 0.85
0.25 + 0.2x + x2 = 0.85

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 0.85

Calculate the square root of the right side: 0.921954446

Break this problem into two subproblems by setting 
(x + 0.5) equal to 0.921954446 and -0.921954446.

Subproblem 1

x + 0.5 = 0.921954446 Simplifying x + 0.5 = 0.921954446 Reorder the terms: 0.5 + x = 0.921954446 Solving 0.5 + x = 0.921954446 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 = 0.921954446 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.921954446 + -0.5 x = 0.921954446 + -0.5 Combine like terms: 0.921954446 + -0.5 = 0.421954446 x = 0.421954446 Simplifying x = 0.421954446

Subproblem 2

x + 0.5 = -0.921954446 Simplifying x + 0.5 = -0.921954446 Reorder the terms: 0.5 + x = -0.921954446 Solving 0.5 + x = -0.921954446 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 = -0.921954446 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.921954446 + -0.5 x = -0.921954446 + -0.5 Combine like terms: -0.921954446 + -0.5 = -1.421954446 x = -1.421954446 Simplifying x = -1.421954446

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.421954446, -1.421954446}

See similar equations:

| n+65=72 | | n-18=54 | | -7+(i)+(4-2i)= | | x^3-18x^2+108x=216 | | 14=8z-2 | | -6(5+8r)+4r=-294 | | n=324-192 | | 1+2v=9 | | Z=z-2 | | Y=120x | | y=-3(-2)-8 | | 3j=5(j-.30) | | -9=-r | | Ln(x-2)+lnx=o | | 60+25x=35x | | 3log(8x)=15 | | n+14=29 | | 180=n+.5n+.5n | | -2(p+3)=4p-3 | | 5log(4x)=15 | | 7x-5(-3x-8)=-4 | | 4(6x+8)+6(2-7)=150 | | s+12.5=14 | | x-8+33=180 | | 2(3z)=-30 | | y=-2(-6)+3 | | Y=2(sec^5)x | | X*X-8X=-15 | | 3(y-9)=-7y-17 | | 8ln(7x)=17 | | 4(6x+8)+6(2-7)=120 | | -30.5=-9.5(2x-6) |

Equations solver categories