x=3x+13(x^2+3)

Simple and best practice solution for x=3x+13(x^2+3) 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=3x+13(x^2+3) equation:


Simplifying
x = 3x + 13(x2 + 3)

Reorder the terms:
x = 3x + 13(3 + x2)
x = 3x + (3 * 13 + x2 * 13)
x = 3x + (39 + 13x2)

Reorder the terms:
x = 39 + 3x + 13x2

Solving
x = 39 + 3x + 13x2

Solving for variable 'x'.

Reorder the terms:
-39 + x + -3x + -13x2 = 39 + 3x + 13x2 + -39 + -3x + -13x2

Combine like terms: x + -3x = -2x
-39 + -2x + -13x2 = 39 + 3x + 13x2 + -39 + -3x + -13x2

Reorder the terms:
-39 + -2x + -13x2 = 39 + -39 + 3x + -3x + 13x2 + -13x2

Combine like terms: 39 + -39 = 0
-39 + -2x + -13x2 = 0 + 3x + -3x + 13x2 + -13x2
-39 + -2x + -13x2 = 3x + -3x + 13x2 + -13x2

Combine like terms: 3x + -3x = 0
-39 + -2x + -13x2 = 0 + 13x2 + -13x2
-39 + -2x + -13x2 = 13x2 + -13x2

Combine like terms: 13x2 + -13x2 = 0
-39 + -2x + -13x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(39 + 2x + 13x2) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(39 + 2x + 13x2)' equal to zero and attempt to solve: Simplifying 39 + 2x + 13x2 = 0 Solving 39 + 2x + 13x2 = 0 Begin completing the square. Divide all terms by 13 the coefficient of the squared term: Divide each side by '13'. 3 + 0.1538461538x + x2 = 0 Move the constant term to the right: Add '-3' to each side of the equation. 3 + 0.1538461538x + -3 + x2 = 0 + -3 Reorder the terms: 3 + -3 + 0.1538461538x + x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 0.1538461538x + x2 = 0 + -3 0.1538461538x + x2 = 0 + -3 Combine like terms: 0 + -3 = -3 0.1538461538x + x2 = -3 The x term is 0.1538461538x. Take half its coefficient (0.0769230769). Square it (0.005917159760) and add it to both sides. Add '0.005917159760' to each side of the equation. 0.1538461538x + 0.005917159760 + x2 = -3 + 0.005917159760 Reorder the terms: 0.005917159760 + 0.1538461538x + x2 = -3 + 0.005917159760 Combine like terms: -3 + 0.005917159760 = -2.99408284024 0.005917159760 + 0.1538461538x + x2 = -2.99408284024 Factor a perfect square on the left side: (x + 0.0769230769)(x + 0.0769230769) = -2.99408284024 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

See similar equations:

| x^3-28x^2+190x-351=0 | | 5x-25x=5x-40 | | 2+5(n-3)= | | -10x-3(x-2)x= | | 8m-6m+6= | | (4x-5)(4x+6)=182 | | X*x*x=-625 | | 6y^4+24y^3=100 | | -(7a+12b+c)= | | 16x^2+4x-152=0 | | -3(5w-2)+8w=5(w+2) | | 47-2x=7-10x | | 3a-(8a+3)= | | -6u+10=-8(u-2) | | 6y^4+24y^3=0 | | x(14x+1)=3solve | | x+3x=12+x | | y=0.75(137.50)+25 | | (6x-y)-(4y+x)= | | -3(3y-8)+5y=4(y+7) | | 6m^2-13m=28 | | 11x-6=2x+7 | | 7x^2+3x+4=1 | | y=0.75(100)+25 | | y=0.75(50)+25 | | x^2-5x+3= | | x+2(x+10)=167 | | 6y-4=2y+3 | | x=3x+13x^2+39 | | -(8x+3y+9)= | | 12+3s=42 | | x=3x+13x^2 |

Equations solver categories