m^2+7m+12=-7

Simple and best practice solution for m^2+7m+12=-7 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+7m+12=-7 equation:


Simplifying
m2 + 7m + 12 = -7

Reorder the terms:
12 + 7m + m2 = -7

Solving
12 + 7m + m2 = -7

Solving for variable 'm'.

Reorder the terms:
12 + 7 + 7m + m2 = -7 + 7

Combine like terms: 12 + 7 = 19
19 + 7m + m2 = -7 + 7

Combine like terms: -7 + 7 = 0
19 + 7m + m2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-19' to each side of the equation.
19 + 7m + -19 + m2 = 0 + -19

Reorder the terms:
19 + -19 + 7m + m2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 7m + m2 = 0 + -19
7m + m2 = 0 + -19

Combine like terms: 0 + -19 = -19
7m + m2 = -19

The m term is 7m.  Take half its coefficient (3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
7m + 12.25 + m2 = -19 + 12.25

Reorder the terms:
12.25 + 7m + m2 = -19 + 12.25

Combine like terms: -19 + 12.25 = -6.75
12.25 + 7m + m2 = -6.75

Factor a perfect square on the left side:
(m + 3.5)(m + 3.5) = -6.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5x(5x+2)=2(8+5x) | | 166x-15-9x=13 | | y=2x+105 | | 2x-1=-6x+55 | | 6x+4x+2+9=7x+3+2x | | v/5=-9 | | 54/9=y | | 12.2=5.3y-3.7 | | 12w=.0144 | | -(2x-1)-6x+8=81 | | 16m+28=2m | | 6p+5=35 | | y-5/2x=4 | | 16.115t^2+160t-397.14=0 | | 9p+8=12+8p | | -25=7(n+3) | | 41=3x+6x+5 | | 5(x+8)=8+5x+13 | | 2(p-2)-2(-2-4p)=10 | | -2y(y-2)=16 | | 9x-3y=3whatisy | | -7x+11+9x-23=-6 | | 105+2B=175-3B | | 4(2x-1)=3x+5-1 | | 7=4+n | | 3x+10=-3x-38 | | 3x-y=6y-4 | | -4=-2(-x+3)+2(x-1) | | 12(x-20)=-45 | | 5X-7=q | | 2x-39=x-10 | | (7x^2-2xy+4)dx+(8y^2-x^2+7)dy=0 |

Equations solver categories