3x+4x^2-12=41

Simple and best practice solution for 3x+4x^2-12=41 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+4x^2-12=41 equation:


Simplifying
3x + 4x2 + -12 = 41

Reorder the terms:
-12 + 3x + 4x2 = 41

Solving
-12 + 3x + 4x2 = 41

Solving for variable 'x'.

Reorder the terms:
-12 + -41 + 3x + 4x2 = 41 + -41

Combine like terms: -12 + -41 = -53
-53 + 3x + 4x2 = 41 + -41

Combine like terms: 41 + -41 = 0
-53 + 3x + 4x2 = 0

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

Divide each side by '4'.
-13.25 + 0.75x + x2 = 0

Move the constant term to the right:

Add '13.25' to each side of the equation.
-13.25 + 0.75x + 13.25 + x2 = 0 + 13.25

Reorder the terms:
-13.25 + 13.25 + 0.75x + x2 = 0 + 13.25

Combine like terms: -13.25 + 13.25 = 0.00
0.00 + 0.75x + x2 = 0 + 13.25
0.75x + x2 = 0 + 13.25

Combine like terms: 0 + 13.25 = 13.25
0.75x + x2 = 13.25

The x term is 0.75x.  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
0.75x + 0.140625 + x2 = 13.25 + 0.140625

Reorder the terms:
0.140625 + 0.75x + x2 = 13.25 + 0.140625

Combine like terms: 13.25 + 0.140625 = 13.390625
0.140625 + 0.75x + x2 = 13.390625

Factor a perfect square on the left side:
(x + 0.375)(x + 0.375) = 13.390625

Calculate the square root of the right side: 3.659320292

Break this problem into two subproblems by setting 
(x + 0.375) equal to 3.659320292 and -3.659320292.

Subproblem 1

x + 0.375 = 3.659320292 Simplifying x + 0.375 = 3.659320292 Reorder the terms: 0.375 + x = 3.659320292 Solving 0.375 + x = 3.659320292 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = 3.659320292 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = 3.659320292 + -0.375 x = 3.659320292 + -0.375 Combine like terms: 3.659320292 + -0.375 = 3.284320292 x = 3.284320292 Simplifying x = 3.284320292

Subproblem 2

x + 0.375 = -3.659320292 Simplifying x + 0.375 = -3.659320292 Reorder the terms: 0.375 + x = -3.659320292 Solving 0.375 + x = -3.659320292 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = -3.659320292 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = -3.659320292 + -0.375 x = -3.659320292 + -0.375 Combine like terms: -3.659320292 + -0.375 = -4.034320292 x = -4.034320292 Simplifying x = -4.034320292

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.284320292, -4.034320292}

See similar equations:

| x+02=3 | | 5x+2x-4=0 | | 21y-(2y-3)=7(9-5y)-6(8-4y) | | 3(x+7)=2(2x+11) | | 16p+15q+p-4q-5p= | | 9p-3p+7q-9q= | | 6+6x=-24 | | 2x+16=137 | | x+10=4y | | -46=6x+8 | | 5y+3=2y+21 | | 4sin(2x)-3cos(2x)=4 | | 0=4x-2x^2 | | 5h+3=b-7 | | 3cos(2x)+4sin(2x)=4 | | 8x+3y+7z-4x+3z-4Y= | | 0.4x+3=0.55x+2 | | 3x-2-3x=4x+6 | | 4x^4+8x^3-37x^2+8x+4=0 | | 4x+2x=40 | | 20x+40+30x-10= | | x^9+4x+4=y | | 8x+3y+7z-4x+3z+4y= | | 14x+4+x=14+2(3+x)-3 | | .3t=.1+.8p | | n=n(n-1) | | 2x-7=ax+3-5x | | 5x-(3x+5)=5x-47 | | 2x^2+1-5=0 | | 6+8n=4n+6 | | 2-c=2c+17 | | (2x+1)-4=0 |

Equations solver categories