3x^2+12x-1=14

Simple and best practice solution for 3x^2+12x-1=14 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+12x-1=14 equation:


Simplifying
3x2 + 12x + -1 = 14

Reorder the terms:
-1 + 12x + 3x2 = 14

Solving
-1 + 12x + 3x2 = 14

Solving for variable 'x'.

Reorder the terms:
-1 + -14 + 12x + 3x2 = 14 + -14

Combine like terms: -1 + -14 = -15
-15 + 12x + 3x2 = 14 + -14

Combine like terms: 14 + -14 = 0
-15 + 12x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-5 + 4x + x2) = 0

Factor a trinomial.
3((-5 + -1x)(1 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(-5 + -1x)' equal to zero and attempt to solve: Simplifying -5 + -1x = 0 Solving -5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1x = 0 + 5 -1x = 0 + 5 Combine like terms: 0 + 5 = 5 -1x = 5 Divide each side by '-1'. x = -5 Simplifying x = -5

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {-5, 1}

See similar equations:

| (18x+3)-7=-4 | | r+.5=4.5 | | f(x)2.3+3= | | (2d^3/3a)*(9a^2/5d)=0 | | f(x)2.3+2= | | 7x+1=10-2x | | (2d^3/3a)*(9a^2/5d) | | 2920-2580= | | 5=y+7x | | f(x)2.3+1= | | X*9=12 | | 4d-36-24d=-12+8d | | x=2-28 | | 6*(-1/2) | | x=7-9 | | x^5-2x^4-20x^3-24x^2=0 | | 6b^2-24b=0 | | 11/2/5/4 | | 14/40=x/100 | | 6-1/2 | | 4=38 | | 3x^4+4ax=48 | | E/4=5 | | 12-(-40-8x)=-4 | | 2x+2x+x+x+3x=540 | | 50=25(1.01)x | | 20r^2-51r+28=0 | | n=16+2 | | n=12-9 | | -1(b-3)+3b= | | 25=1/6x | | n=62-3 |

Equations solver categories