3m^2-45m=-168

Simple and best practice solution for 3m^2-45m=-168 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 3m^2-45m=-168 equation:


Simplifying
3m2 + -45m = -168

Reorder the terms:
-45m + 3m2 = -168

Solving
-45m + 3m2 = -168

Solving for variable 'm'.

Reorder the terms:
168 + -45m + 3m2 = -168 + 168

Combine like terms: -168 + 168 = 0
168 + -45m + 3m2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(56 + -15m + m2) = 0

Factor a trinomial.
3((7 + -1m)(8 + -1m)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(7 + -1m)' equal to zero and attempt to solve: Simplifying 7 + -1m = 0 Solving 7 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1m = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1m = 0 + -7 -1m = 0 + -7 Combine like terms: 0 + -7 = -7 -1m = -7 Divide each side by '-1'. m = 7 Simplifying m = 7

Subproblem 2

Set the factor '(8 + -1m)' equal to zero and attempt to solve: Simplifying 8 + -1m = 0 Solving 8 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1m = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1m = 0 + -8 -1m = 0 + -8 Combine like terms: 0 + -8 = -8 -1m = -8 Divide each side by '-1'. m = 8 Simplifying m = 8

Solution

m = {7, 8}

See similar equations:

| 5x+4x+(180-4x+30)=180 | | 7(-2+1)=-13(x+1) | | 3x^2=-90+33x | | 11=8x-9 | | 4x-5+8x=8x+10+32 | | 6x^4=42x^3 | | x^2+5x+7=37 | | 7m=2m+60 | | f(2)=22 | | x^2+y^2-8x+4y+19=0 | | (n-12)(n+4)=0 | | 0.25+0.075p=0.1 | | -9x+y=70 | | 3(u+7)-5u=37 | | 3x+9y=80 | | 10(x-1)=-2+122 | | 6r^2-24=18r | | -4(2b+3)(9b+6)=0 | | 2j^2+15j+7=0 | | -4(2b+3)(9b-6)=0 | | (2x)4(4x)6(8x)2= | | 2(3x-4)=18x | | 2s^2+17s+8=0 | | X-16=50 | | x=15-0.5*(15-0.5x) | | 2(v-7)-5v=-8 | | 2z^2+9z+10=0 | | n^2=7n-10 | | x=15-0.5*15-0.5x | | v^2-v=2 | | 7x-2(x-9)=5(x+1)+6 | | 6(k-2)-7=6k-(5k-3) |

Equations solver categories