s^2+3s=-7

Simple and best practice solution for s^2+3s=-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 s^2+3s=-7 equation:


Simplifying
s2 + 3s = -7

Reorder the terms:
3s + s2 = -7

Solving
3s + s2 = -7

Solving for variable 's'.

Reorder the terms:
7 + 3s + s2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + 3s + s2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + 3s + -7 + s2 = 0 + -7

Reorder the terms:
7 + -7 + 3s + s2 = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 3s + s2 = 0 + -7
3s + s2 = 0 + -7

Combine like terms: 0 + -7 = -7
3s + s2 = -7

The s term is 3s.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3s + 2.25 + s2 = -7 + 2.25

Reorder the terms:
2.25 + 3s + s2 = -7 + 2.25

Combine like terms: -7 + 2.25 = -4.75
2.25 + 3s + s2 = -4.75

Factor a perfect square on the left side:
(s + 1.5)(s + 1.5) = -4.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2xX+18=134 | | 0=36x^2-49 | | 4x=(9x+26)-35 | | I=(200)(0.04)(5) | | Z/(11/9)=27 | | (9x+1)+(4x-4)= | | 6x^3+5x^2=-x | | f/-2248 | | z^6+9=0 | | 2x+bx-2y-by= | | 15-2x=23+3x | | 32.8=8j | | (2x)(x-2)(y)-50=0 | | 3wsquared-1=310 | | 8y+3x=-48 | | 2x+bx= | | x-25=143 | | 5280=6l | | 1-2/3j=15 | | 4b+3p=375 | | 6/7(7/9) | | (2x)(x-2)=50 | | 3/8-7/20 | | .25x+3=4x+3 | | b-6=-5 | | 650x=16000 | | 7/9y-1/4=1/3 | | 250=2w+5+w | | 20+4y=20+y | | 55/100 | | 3m-13=m | | 1k+9=6(1k-11) |

Equations solver categories