m^2-8m-20=0

Simple and best practice solution for m^2-8m-20=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 m^2-8m-20=0 equation:


Simplifying
m2 + -8m + -20 = 0

Reorder the terms:
-20 + -8m + m2 = 0

Solving
-20 + -8m + m2 = 0

Solving for variable 'm'.

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

Subproblem 1

Set the factor '(-2 + -1m)' equal to zero and attempt to solve: Simplifying -2 + -1m = 0 Solving -2 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1m = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1m = 0 + 2 -1m = 0 + 2 Combine like terms: 0 + 2 = 2 -1m = 2 Divide each side by '-1'. m = -2 Simplifying m = -2

Subproblem 2

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

Solution

m = {-2, 10}

See similar equations:

| 9x-11=2x+38 | | x^2+45=-18x | | ln(x+3)+ln(x-3)=2 | | v+(v-31.5)+(v+24.2)=198.2 | | -4(1+p)+3p-10=5p-2(3-p) | | 5(7p-3)=28(p-1) | | x+1.75x=33 | | 123x+32=3234 | | (3m-1)(2m-7)=0 | | 3(2m+5)=4(m-3) | | 3m-(5-m)=6m+2(m-4)-1 | | 2x^3-5x^2+1=0 | | x^3+3x^2+3x+1=0 | | 2n-8=-22 | | t^2-17t+5=0 | | 5(5y-6)=4(y-7) | | 3(y+2)=2(y+4) | | 23x+2=0 | | 6x-7=7x+9 | | 3(y+1)=4y-21 | | 8x+11=6x+57 | | 115-2x=43x+15 | | 93-3x=3x+9 | | 3(2y+3)=4y+3 | | -164-10x=10x+16 | | 8w-18=12w+14 | | 4(3y-4)=36 | | 102-3x=42x+17 | | 14-10x=134-38x | | 1+10x=28+x | | 2(2x-5)=46 | | 2x-2+2= |

Equations solver categories