(s^2+3s-4)+(5s-2)=

Simple and best practice solution for (s^2+3s-4)+(5s-2)= 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-4)+(5s-2)= equation:


Simplifying
(s2 + 3s + -4) + (5s + -2) = 0

Reorder the terms:
(-4 + 3s + s2) + (5s + -2) = 0

Remove parenthesis around (-4 + 3s + s2)
-4 + 3s + s2 + (5s + -2) = 0

Reorder the terms:
-4 + 3s + s2 + (-2 + 5s) = 0

Remove parenthesis around (-2 + 5s)
-4 + 3s + s2 + -2 + 5s = 0

Reorder the terms:
-4 + -2 + 3s + 5s + s2 = 0

Combine like terms: -4 + -2 = -6
-6 + 3s + 5s + s2 = 0

Combine like terms: 3s + 5s = 8s
-6 + 8s + s2 = 0

Solving
-6 + 8s + s2 = 0

Solving for variable 's'.

Begin completing the square.

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + 8s + 6 + s2 = 0 + 6

Reorder the terms:
-6 + 6 + 8s + s2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 8s + s2 = 0 + 6
8s + s2 = 0 + 6

Combine like terms: 0 + 6 = 6
8s + s2 = 6

The s term is 8s.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8s + 16 + s2 = 6 + 16

Reorder the terms:
16 + 8s + s2 = 6 + 16

Combine like terms: 6 + 16 = 22
16 + 8s + s2 = 22

Factor a perfect square on the left side:
(s + 4)(s + 4) = 22

Calculate the square root of the right side: 4.69041576

Break this problem into two subproblems by setting 
(s + 4) equal to 4.69041576 and -4.69041576.

Subproblem 1

s + 4 = 4.69041576 Simplifying s + 4 = 4.69041576 Reorder the terms: 4 + s = 4.69041576 Solving 4 + s = 4.69041576 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + s = 4.69041576 + -4 Combine like terms: 4 + -4 = 0 0 + s = 4.69041576 + -4 s = 4.69041576 + -4 Combine like terms: 4.69041576 + -4 = 0.69041576 s = 0.69041576 Simplifying s = 0.69041576

Subproblem 2

s + 4 = -4.69041576 Simplifying s + 4 = -4.69041576 Reorder the terms: 4 + s = -4.69041576 Solving 4 + s = -4.69041576 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + s = -4.69041576 + -4 Combine like terms: 4 + -4 = 0 0 + s = -4.69041576 + -4 s = -4.69041576 + -4 Combine like terms: -4.69041576 + -4 = -8.69041576 s = -8.69041576 Simplifying s = -8.69041576

Solution

The solution to the problem is based on the solutions from the subproblems. s = {0.69041576, -8.69041576}

See similar equations:

| 6d*d-5d-6=0 | | y=7-1/-7/2-9/2 | | 10+2x=0+-4x | | 96=l(l-4) | | -129=-5x-2(7x+17) | | x^2-2a-99=0 | | Y=-3/4x-5 | | 16-n=24 | | f(x)=6x^2-45x-24 | | 2/10=C/(12-C) | | 6d*d-5b-6=0 | | 0=12x^2-9x+6 | | Y=x-5/4 | | f/4=12 | | 0.15x+0.4(x-5)=0.01(3x-3) | | 21-2x=53 | | 0=x^2+10x-26 | | 6d*d*d-5d-6=0 | | -4=x+-20 | | x=4.5^3/4 | | 13x^2-3x-10=x | | y=7(x+5)(x-2) | | y=x^2+10x-26 | | (4x-6)(8x+7)=0 | | X-(-5.2)=-12.82 | | 0.065x+5.651=0.050x+5.642 | | 0.7(x+60)+0.7=91 | | 1/6(7t-9) | | 13(x-6)=7x-36 | | 92-(7x+12)=7(x+5)+5 | | 35x^2+18-8= | | -5x+5x+55=12x+8 |

Equations solver categories