m^2-10m=-21

Simple and best practice solution for m^2-10m=-21 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^2-10m=-21 equation:


Simplifying
m2 + -10m = -21

Reorder the terms:
-10m + m2 = -21

Solving
-10m + m2 = -21

Solving for variable 'm'.

Reorder the terms:
21 + -10m + m2 = -21 + 21

Combine like terms: -21 + 21 = 0
21 + -10m + m2 = 0

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

Subproblem 1

Set the factor '(3 + -1m)' equal to zero and attempt to solve: Simplifying 3 + -1m = 0 Solving 3 + -1m = 0 Move all terms containing m to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1m = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1m = 0 + -3 -1m = 0 + -3 Combine like terms: 0 + -3 = -3 -1m = -3 Divide each side by '-1'. m = 3 Simplifying m = 3

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 = {3, 7}

See similar equations:

| (7x-3y)(7x-3y)= | | 10-9x=451 | | ln(x-4)+ln(4x+1)=10 | | 2x-7=-5 | | 6+10-4n=n+1 | | 2x^3-11x^2-6x=0 | | 3x^2+9=y | | 2c^2+20c+32=0 | | 7x^2+5=0 | | y^2(3y+4)= | | 2x^2-90x=0 | | 6x-(4x+3)=3 | | 6p-(8q+5p)= | | 2(4x+4)=13x+3-5x+5 | | 5x^3+15x^2-20x-60=0 | | 5x^3+15x^3-20x-60=0 | | 2(x+2)=8(x-1)+18 | | 4x(2x-4)= | | 6=6+60(3)-16(9) | | 2(5.95)+2(1.25)+3.00= | | 7b-7=2(b+4) | | 7ab+14ab^2+21a^2b= | | n=ux | | 9x-4=11+5x | | 10x-5(x+4)+9=-11+5x+21 | | 10p+9-11-p=2(2p+4)-3(2p-2) | | -3(n-1)-5n= | | 8a+31+9=0 | | 10.00-2(2.39)= | | 9x=8x-23 | | x(4x+2)= | | 14=4(x-3)-(x-8) |

Equations solver categories