7m^2-55m+42=0

Simple and best practice solution for 7m^2-55m+42=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 7m^2-55m+42=0 equation:


Simplifying
7m2 + -55m + 42 = 0

Reorder the terms:
42 + -55m + 7m2 = 0

Solving
42 + -55m + 7m2 = 0

Solving for variable 'm'.

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

Subproblem 1

Set the factor '(6 + -7m)' equal to zero and attempt to solve: Simplifying 6 + -7m = 0 Solving 6 + -7m = 0 Move all terms containing m to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -7m = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -7m = 0 + -6 -7m = 0 + -6 Combine like terms: 0 + -6 = -6 -7m = -6 Divide each side by '-7'. m = 0.8571428571 Simplifying m = 0.8571428571

Subproblem 2

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

Solution

m = {0.8571428571, 7}

See similar equations:

| (9+6I)(7-4I)= | | 24x^2+2x+3=0 | | 9p+5h=81 | | 3(a-1)=4(a+1.5) | | -1/8(x-4)=-9 | | 3*n=75 | | 11(3B-5)=11 | | x+8.5=10.5 | | 5(-x+2)=-3(7x+2)+8 | | (n-14)=3n | | 31.63=6g+3.61 | | -4/5f=-3 | | 39=15+r | | 3/4n=5.25 | | 3n^2+14n-24=0 | | 0.6x+0.75=0.583 | | x*x=-9x+-3 | | x=a(1-x)+1 | | x+0.25x+0.015x=100 | | x=-9x-3 | | 3-6xa=21 | | x-(.36x)=25000000 | | 8x+1(-3x+7)=17 | | -4(3k+5)=-16k | | m(x)=6x^4-17x^3+8x^2-3 | | (.36x)+x=25000000 | | 5x^2+15x+28=0 | | x=-9x-5 | | 3y-18=-5y+36 | | c=1.5h+3 | | (.36x)+x=2500000 | | 4y+1-y=10 |

Equations solver categories