2l^2-12l=80

Simple and best practice solution for 2l^2-12l=80 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 2l^2-12l=80 equation:


Simplifying
2l2 + -12l = 80

Reorder the terms:
-12l + 2l2 = 80

Solving
-12l + 2l2 = 80

Solving for variable 'l'.

Reorder the terms:
-80 + -12l + 2l2 = 80 + -80

Combine like terms: 80 + -80 = 0
-80 + -12l + 2l2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-40 + -6l + l2) = 0

Factor a trinomial.
2((-4 + -1l)(10 + -1l)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-4 + -1l)' equal to zero and attempt to solve: Simplifying -4 + -1l = 0 Solving -4 + -1l = 0 Move all terms containing l to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1l = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1l = 0 + 4 -1l = 0 + 4 Combine like terms: 0 + 4 = 4 -1l = 4 Divide each side by '-1'. l = -4 Simplifying l = -4

Subproblem 2

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

Solution

l = {-4, 10}

See similar equations:

| 10x-12-6x=4 | | 3(x-2)+3(x)=10 | | 490-x=834 | | 3^/-5 | | 14x-13=12x-18 | | 6=6b | | -49=c-88 | | -(5/3)^2 | | -50+s=18 | | 2(x+1)+2(x)=12 | | 5x-12+3=-5+8x-10 | | (-10x)/4 | | -8(-2x+x)-5=-8(x+8) | | 400000=x*(1/3) | | 4=b-50 | | 400=x*(1/3) | | 99y+17=11y+6 | | 93=x+85 | | 8y-18y-7= | | 14/35=5/x | | 4+2(x+3x)=4 | | 3/4x1/7 | | 1/x=720/7 | | 54=9n-81 | | 10+9x+x-2= | | x-39=108 | | -20x+15+16x-35= | | -8=-4u+32 | | (11)/(5x)*(7)/(8) | | 3/4*1/2=14 | | 113=x+49 | | 20x+15-25x= |

Equations solver categories