12x^2+40x-7=0

Simple and best practice solution for 12x^2+40x-7=0 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 12x^2+40x-7=0 equation:


Simplifying
12x2 + 40x + -7 = 0

Reorder the terms:
-7 + 40x + 12x2 = 0

Solving
-7 + 40x + 12x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + -2x)(1 + -6x) = 0

Subproblem 1

Set the factor '(-7 + -2x)' equal to zero and attempt to solve: Simplifying -7 + -2x = 0 Solving -7 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -2x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -2x = 0 + 7 -2x = 0 + 7 Combine like terms: 0 + 7 = 7 -2x = 7 Divide each side by '-2'. x = -3.5 Simplifying x = -3.5

Subproblem 2

Set the factor '(1 + -6x)' equal to zero and attempt to solve: Simplifying 1 + -6x = 0 Solving 1 + -6x = 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 + -6x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -6x = 0 + -1 -6x = 0 + -1 Combine like terms: 0 + -1 = -1 -6x = -1 Divide each side by '-6'. x = 0.1666666667 Simplifying x = 0.1666666667

Solution

x = {-3.5, 0.1666666667}

See similar equations:

| 3r^2-12r+4=10 | | (2x^2-1)-24=0 | | -47-12x=85-6x | | 11.3n+5.6=28.2 | | (x+8)(6x-7)=0 | | 2x-5=5x+27 | | 5x-18=-83 | | x=364*455*195 | | -113+3x=76+10x | | g=3*4 | | 17.88*5= | | 25*x-19=56 | | 6x+8=7x-6 | | x-3=-14.2 | | 2(x-3)-3(x-1)=0 | | 5x=2(3x+11) | | (-x)(3x)= | | 6b^2+b-70=0 | | 5x-6+3x=26 | | 30x^2+5x-25=0 | | 5w+6-12w=-29 | | m^2+2m-48=0 | | 6=8x+x | | x^2+10x+41=0 | | 7(-3z)+3=-6(z-4)-8 | | (6m-11)(3m+7)=0 | | 12x-20=8x | | 3d-2=12 | | 8t+5-7t=22 | | g^2+3g-54=0 | | -x-9=11,2 | | 3a+2+4a=24 |

Equations solver categories