12x^2-40x-800=0

Simple and best practice solution for 12x^2-40x-800=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-800=0 equation:


Simplifying
12x2 + -40x + -800 = 0

Reorder the terms:
-800 + -40x + 12x2 = 0

Solving
-800 + -40x + 12x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '4'.
4(-200 + -10x + 3x2) = 0

Factor a trinomial.
4((-20 + -3x)(10 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-20 + -3x)' equal to zero and attempt to solve: Simplifying -20 + -3x = 0 Solving -20 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '20' to each side of the equation. -20 + 20 + -3x = 0 + 20 Combine like terms: -20 + 20 = 0 0 + -3x = 0 + 20 -3x = 0 + 20 Combine like terms: 0 + 20 = 20 -3x = 20 Divide each side by '-3'. x = -6.666666667 Simplifying x = -6.666666667

Subproblem 2

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {-6.666666667, 10}

See similar equations:

| 2(5x+7)=30x+3+10 | | y^3/1=5y | | 21+15= | | 3ab-2=c | | 2-3(2x+1)=-6x+5 | | -2p+2(-p-1)= | | 7/3x-2/3 | | 718=x-(.15x) | | 21x^2-40x+21=0 | | S-1/2=5/8 | | 80x-56y+80= | | 8r-r+8= | | E+6=-20 | | 8-5(x-3)=x-29 | | -2p-p-7= | | J-0.2=2.3 | | X^2+24x+169=0 | | -2a+a-6= | | X+8=-8X-4 | | 6+8ln(x)=9 | | z-4+4z= | | 3(3n-1)=(7n+4)+7 | | y^2-8y+18=y-5 | | 2(x)=2x-1 | | 5(3X-9)-8=5(X-2)+7 | | 5q-3-2q= | | 5y=2y-10 | | 3(x)=2x-1 | | -4y+10=-2(3y+3) | | y=80/6 | | -3r+4r-1= | | 6x+26=8x+32 |

Equations solver categories