9m^2-1=-5m

Simple and best practice solution for 9m^2-1=-5m 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 9m^2-1=-5m equation:


Simplifying
9m2 + -1 = -5m

Reorder the terms:
-1 + 9m2 = -5m

Solving
-1 + 9m2 = -5m

Solving for variable 'm'.

Reorder the terms:
-1 + 5m + 9m2 = -5m + 5m

Combine like terms: -5m + 5m = 0
-1 + 5m + 9m2 = 0

Begin completing the square.  Divide all terms by
9 the coefficient of the squared term: 

Divide each side by '9'.
-0.1111111111 + 0.5555555556m + m2 = 0

Move the constant term to the right:

Add '0.1111111111' to each side of the equation.
-0.1111111111 + 0.5555555556m + 0.1111111111 + m2 = 0 + 0.1111111111

Reorder the terms:
-0.1111111111 + 0.1111111111 + 0.5555555556m + m2 = 0 + 0.1111111111

Combine like terms: -0.1111111111 + 0.1111111111 = 0.0000000000
0.0000000000 + 0.5555555556m + m2 = 0 + 0.1111111111
0.5555555556m + m2 = 0 + 0.1111111111

Combine like terms: 0 + 0.1111111111 = 0.1111111111
0.5555555556m + m2 = 0.1111111111

The m term is 0.5555555556m.  Take half its coefficient (0.2777777778).
Square it (0.07716049384) and add it to both sides.

Add '0.07716049384' to each side of the equation.
0.5555555556m + 0.07716049384 + m2 = 0.1111111111 + 0.07716049384

Reorder the terms:
0.07716049384 + 0.5555555556m + m2 = 0.1111111111 + 0.07716049384

Combine like terms: 0.1111111111 + 0.07716049384 = 0.18827160494
0.07716049384 + 0.5555555556m + m2 = 0.18827160494

Factor a perfect square on the left side:
(m + 0.2777777778)(m + 0.2777777778) = 0.18827160494

Calculate the square root of the right side: 0.43390276

Break this problem into two subproblems by setting 
(m + 0.2777777778) equal to 0.43390276 and -0.43390276.

Subproblem 1

m + 0.2777777778 = 0.43390276 Simplifying m + 0.2777777778 = 0.43390276 Reorder the terms: 0.2777777778 + m = 0.43390276 Solving 0.2777777778 + m = 0.43390276 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.2777777778' to each side of the equation. 0.2777777778 + -0.2777777778 + m = 0.43390276 + -0.2777777778 Combine like terms: 0.2777777778 + -0.2777777778 = 0.0000000000 0.0000000000 + m = 0.43390276 + -0.2777777778 m = 0.43390276 + -0.2777777778 Combine like terms: 0.43390276 + -0.2777777778 = 0.1561249822 m = 0.1561249822 Simplifying m = 0.1561249822

Subproblem 2

m + 0.2777777778 = -0.43390276 Simplifying m + 0.2777777778 = -0.43390276 Reorder the terms: 0.2777777778 + m = -0.43390276 Solving 0.2777777778 + m = -0.43390276 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-0.2777777778' to each side of the equation. 0.2777777778 + -0.2777777778 + m = -0.43390276 + -0.2777777778 Combine like terms: 0.2777777778 + -0.2777777778 = 0.0000000000 0.0000000000 + m = -0.43390276 + -0.2777777778 m = -0.43390276 + -0.2777777778 Combine like terms: -0.43390276 + -0.2777777778 = -0.7116805378 m = -0.7116805378 Simplifying m = -0.7116805378

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.1561249822, -0.7116805378}

See similar equations:

| 2,4/0,4= | | 5(6+2x)=130 | | (2x+104)=38 | | 3x+7x+8x= | | -4p^2-5p-1=0 | | 1/7/4= | | 45000+15000= | | 11/8=k/4 | | 2x+8=12x-12 | | -34=2x^2+20x+8y | | -5r+4=-r^2 | | (2x+75)=55 | | 8(p-8)=-7(p-1) | | 1500*10= | | y=4(1)+-3 | | 7.75x=26.75 | | 4500*10= | | (2x+30)=60 | | 30x^12/10x^6 | | 4(3x+3)=84 | | (4x^2-1)(x^2+2)= | | 2x^2+6=3 | | 8f^2+3f=0 | | -6x-9-3(3+2x)= | | Y=5(0.82)^t/5 | | 6(r+4)=-8(r-11) | | (1+7)2= | | q^2-1=0 | | 2y+6xy=0 | | |x+2|=9 | | 16.4+2p=-3.5 | | 24+4*7= |

Equations solver categories