m^2-28m=11

Simple and best practice solution for m^2-28m=11 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^2-28m=11 equation:


Simplifying
m2 + -28m = 11

Reorder the terms:
-28m + m2 = 11

Solving
-28m + m2 = 11

Solving for variable 'm'.

Reorder the terms:
-11 + -28m + m2 = 11 + -11

Combine like terms: 11 + -11 = 0
-11 + -28m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '11' to each side of the equation.
-11 + -28m + 11 + m2 = 0 + 11

Reorder the terms:
-11 + 11 + -28m + m2 = 0 + 11

Combine like terms: -11 + 11 = 0
0 + -28m + m2 = 0 + 11
-28m + m2 = 0 + 11

Combine like terms: 0 + 11 = 11
-28m + m2 = 11

The m term is -28m.  Take half its coefficient (-14).
Square it (196) and add it to both sides.

Add '196' to each side of the equation.
-28m + 196 + m2 = 11 + 196

Reorder the terms:
196 + -28m + m2 = 11 + 196

Combine like terms: 11 + 196 = 207
196 + -28m + m2 = 207

Factor a perfect square on the left side:
(m + -14)(m + -14) = 207

Calculate the square root of the right side: 14.38749457

Break this problem into two subproblems by setting 
(m + -14) equal to 14.38749457 and -14.38749457.

Subproblem 1

m + -14 = 14.38749457 Simplifying m + -14 = 14.38749457 Reorder the terms: -14 + m = 14.38749457 Solving -14 + m = 14.38749457 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + m = 14.38749457 + 14 Combine like terms: -14 + 14 = 0 0 + m = 14.38749457 + 14 m = 14.38749457 + 14 Combine like terms: 14.38749457 + 14 = 28.38749457 m = 28.38749457 Simplifying m = 28.38749457

Subproblem 2

m + -14 = -14.38749457 Simplifying m + -14 = -14.38749457 Reorder the terms: -14 + m = -14.38749457 Solving -14 + m = -14.38749457 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + m = -14.38749457 + 14 Combine like terms: -14 + 14 = 0 0 + m = -14.38749457 + 14 m = -14.38749457 + 14 Combine like terms: -14.38749457 + 14 = -0.38749457 m = -0.38749457 Simplifying m = -0.38749457

Solution

The solution to the problem is based on the solutions from the subproblems. m = {28.38749457, -0.38749457}

See similar equations:

| 2v-68=v | | E=7+5x | | 6+2x+9=24+32+6x+12 | | -7(10-10x)-8x= | | (3x+4)+(2x+2)=5(1x-1)+8 | | 2p-26=p | | 4(x-3)+18=3(x+3) | | 2x-3(x-5)=7 | | 6b-61=b+4 | | 6(3n-7)=84 | | 2x^4/5=25 | | x(x+2)=x(5+x) | | 10a+4(a+1)=32 | | 7(6+7a)= | | x^4+8x^3+14x^2-17x-42=0 | | -6+8(8a-8)= | | 3x-6+1x+30=7+8x+23-6x | | 42/168 | | 17x+4=x+35 | | 17v+58=3v+86 | | 2q=q+13 | | -10q-4q-6=18 | | 8v+4v= | | 10x-3(x-9)=9(x-1)+1 | | 2y-50=y-17 | | 6(9+11v)= | | -5n-6=7n+6 | | -3(4v-2)+v=4(v+3) | | a-b/9 | | 3u-62=4u-91 | | 6-1y=-2.3 | | 144=12(x-5) |

Equations solver categories