4m^2-9=-10m

Simple and best practice solution for 4m^2-9=-10m 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 4m^2-9=-10m equation:


Simplifying
4m2 + -9 = -10m

Reorder the terms:
-9 + 4m2 = -10m

Solving
-9 + 4m2 = -10m

Solving for variable 'm'.

Reorder the terms:
-9 + 10m + 4m2 = -10m + 10m

Combine like terms: -10m + 10m = 0
-9 + 10m + 4m2 = 0

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

Divide each side by '4'.
-2.25 + 2.5m + m2 = 0

Move the constant term to the right:

Add '2.25' to each side of the equation.
-2.25 + 2.5m + 2.25 + m2 = 0 + 2.25

Reorder the terms:
-2.25 + 2.25 + 2.5m + m2 = 0 + 2.25

Combine like terms: -2.25 + 2.25 = 0.00
0.00 + 2.5m + m2 = 0 + 2.25
2.5m + m2 = 0 + 2.25

Combine like terms: 0 + 2.25 = 2.25
2.5m + m2 = 2.25

The m term is 2.5m.  Take half its coefficient (1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
2.5m + 1.5625 + m2 = 2.25 + 1.5625

Reorder the terms:
1.5625 + 2.5m + m2 = 2.25 + 1.5625

Combine like terms: 2.25 + 1.5625 = 3.8125
1.5625 + 2.5m + m2 = 3.8125

Factor a perfect square on the left side:
(m + 1.25)(m + 1.25) = 3.8125

Calculate the square root of the right side: 1.952562419

Break this problem into two subproblems by setting 
(m + 1.25) equal to 1.952562419 and -1.952562419.

Subproblem 1

m + 1.25 = 1.952562419 Simplifying m + 1.25 = 1.952562419 Reorder the terms: 1.25 + m = 1.952562419 Solving 1.25 + m = 1.952562419 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1.25' to each side of the equation. 1.25 + -1.25 + m = 1.952562419 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + m = 1.952562419 + -1.25 m = 1.952562419 + -1.25 Combine like terms: 1.952562419 + -1.25 = 0.702562419 m = 0.702562419 Simplifying m = 0.702562419

Subproblem 2

m + 1.25 = -1.952562419 Simplifying m + 1.25 = -1.952562419 Reorder the terms: 1.25 + m = -1.952562419 Solving 1.25 + m = -1.952562419 Solving for variable 'm'. Move all terms containing m to the left, all other terms to the right. Add '-1.25' to each side of the equation. 1.25 + -1.25 + m = -1.952562419 + -1.25 Combine like terms: 1.25 + -1.25 = 0.00 0.00 + m = -1.952562419 + -1.25 m = -1.952562419 + -1.25 Combine like terms: -1.952562419 + -1.25 = -3.202562419 m = -3.202562419 Simplifying m = -3.202562419

Solution

The solution to the problem is based on the solutions from the subproblems. m = {0.702562419, -3.202562419}

See similar equations:

| z-(-1)=-12 | | 6b^2+2=0 | | sinx=.5cosx | | n^2-3n=2n+14 | | d+(-2)=24 | | a^2+a=5a+32 | | -9k=-54 | | 35-v=25 | | 4x+6=14+3x | | 7-p=47 | | 4k^2+5=3k | | -1+5g=34 | | -4+f=-12 | | -2(x+3)-3(2-x)=19+23 | | 6y^2-21y/3y^2-6y | | 2w-23=27 | | 2x+5=3x+4-x | | 20t-4=-24 | | 2x^2-45=150 | | 9+h=-4 | | (3m^5/2m^7n^3)^4 | | 2/33/ | | ((3m^5)/(2m^7n^3))^4 | | 5x^3+2x^2=9(5x+2) | | p-14=1 | | 2x+12=-4x+20 | | x^2+20x=-91 | | 2-5t=22 | | -6k-1=41 | | g(x)=-16(8x+8*-1) | | g(x)=-16(8n+8*-1) | | sqrt(3x^2-5x+7)= |

Equations solver categories