5+x=3x^2

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


Simplifying
5 + x = 3x2

Solving
5 + x = 3x2

Solving for variable 'x'.

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

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

Divide each side by '-3'.
-1.666666667 + -0.3333333333x + x2 = 0

Move the constant term to the right:

Add '1.666666667' to each side of the equation.
-1.666666667 + -0.3333333333x + 1.666666667 + x2 = 0 + 1.666666667

Reorder the terms:
-1.666666667 + 1.666666667 + -0.3333333333x + x2 = 0 + 1.666666667

Combine like terms: -1.666666667 + 1.666666667 = 0.000000000
0.000000000 + -0.3333333333x + x2 = 0 + 1.666666667
-0.3333333333x + x2 = 0 + 1.666666667

Combine like terms: 0 + 1.666666667 = 1.666666667
-0.3333333333x + x2 = 1.666666667

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.
-0.3333333333x + 0.25 + x2 = 1.666666667 + 0.25

Reorder the terms:
0.25 + -0.3333333333x + x2 = 1.666666667 + 0.25

Combine like terms: 1.666666667 + 0.25 = 1.916666667
0.25 + -0.3333333333x + x2 = 1.916666667

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 1.916666667

Calculate the square root of the right side: 1.384437311

Break this problem into two subproblems by setting 
(x + 0.5) equal to 1.384437311 and -1.384437311.

Subproblem 1

x + 0.5 = 1.384437311 Simplifying x + 0.5 = 1.384437311 Reorder the terms: 0.5 + x = 1.384437311 Solving 0.5 + x = 1.384437311 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 = 1.384437311 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 1.384437311 + -0.5 x = 1.384437311 + -0.5 Combine like terms: 1.384437311 + -0.5 = 0.884437311 x = 0.884437311 Simplifying x = 0.884437311

Subproblem 2

x + 0.5 = -1.384437311 Simplifying x + 0.5 = -1.384437311 Reorder the terms: 0.5 + x = -1.384437311 Solving 0.5 + x = -1.384437311 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 = -1.384437311 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -1.384437311 + -0.5 x = -1.384437311 + -0.5 Combine like terms: -1.384437311 + -0.5 = -1.884437311 x = -1.884437311 Simplifying x = -1.884437311

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.884437311, -1.884437311}

See similar equations:

| 4(x+3)-2=-10 | | 2(x-2)+3=7 | | 5(2z+-1)+-2(z+9)=4(z+1) | | 5(2z-1)-2(x+9)=4(z+1) | | 669.3224=4*3.14*r^2 | | log(2x^2+5x)=log(14x+56) | | 2188.4544=4*3.14*r^2 | | 4x(9.90)+x(5.70)=1585.5 | | 10x+5=14x-7 | | X^(3/2)=500 | | 5a^2b^2c^2d^2/45a^3*6d^3 | | 2289.06=4*3.14*r^2 | | X^3/2=500 | | 4(3z-1)-3(z+4)=3(z+1) | | 4x(9.90)+x(570)=1585.5 | | -7(t-2)-(t+8)=8 | | g(x+q)=2x-7 | | g(5x)=2x-7 | | g(x+2)=2x-7 | | -g(x)=2x-7 | | 7+2(x-5)=3-6(x-5) | | 7-8(6x+9)=2 | | g(-x)=2x-7 | | 3056890000.00-15000000x=2085000000+5550000x | | 2x-x^2=1 | | 0.4=(255541396-x)/x | | 2m^2+5m=4 | | 0.3=(255541396-x)/x | | 4x^2-7x-8= | | 2.5t-4.9t^2=58 | | (x^2)/(0.44-x) | | C=2(14)r |

Equations solver categories