s(s-3)=40

Simple and best practice solution for s(s-3)=40 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(s-3)=40 equation:


Simplifying
s(s + -3) = 40

Reorder the terms:
s(-3 + s) = 40
(-3 * s + s * s) = 40
(-3s + s2) = 40

Solving
-3s + s2 = 40

Solving for variable 's'.

Reorder the terms:
-40 + -3s + s2 = 40 + -40

Combine like terms: 40 + -40 = 0
-40 + -3s + s2 = 0

Factor a trinomial.
(-5 + -1s)(8 + -1s) = 0

Subproblem 1

Set the factor '(-5 + -1s)' equal to zero and attempt to solve: Simplifying -5 + -1s = 0 Solving -5 + -1s = 0 Move all terms containing s to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1s = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1s = 0 + 5 -1s = 0 + 5 Combine like terms: 0 + 5 = 5 -1s = 5 Divide each side by '-1'. s = -5 Simplifying s = -5

Subproblem 2

Set the factor '(8 + -1s)' equal to zero and attempt to solve: Simplifying 8 + -1s = 0 Solving 8 + -1s = 0 Move all terms containing s to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1s = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1s = 0 + -8 -1s = 0 + -8 Combine like terms: 0 + -8 = -8 -1s = -8 Divide each side by '-1'. s = 8 Simplifying s = 8

Solution

s = {-5, 8}

See similar equations:

| 6x^3+6x^2-120x= | | -4/7(y-35)-1/14y= | | 7-4[3(c+2)-4c]= | | 2x+4=11x-104 | | x^3-12x^2+16x+65=0 | | 25x-8=9 | | .04(4c-44)=-.8(c-5) | | 0=8x-2y+6 | | x+x+9.50+14+(-1x+-9.50)=82 | | (5y+2)(8y-3)= | | (27p^6)^4/3 | | 2x-11=3x | | w-6=12 | | 7x=90-5y | | 2x+3=18-6x | | -54+12= | | (2x+3)(x+5)-(2x+5)(x+3)=0 | | b/9=72 | | 75=(10000+100x)x | | 4(-11)=4(-60) | | 5/9•(-32) | | 8(c-96)=-24 | | 180=11x-2+5x-10+4x | | 0.8*c=0.2 | | 8(c-96)=-2 | | v^2+3=67 | | 200=0.04x^2+1.1x | | 4(x-11)=4(x-60) | | (8b+9)(7b+6)= | | 3(x-5)=6(x+3) | | 21x-18=21x-48 | | (2x^2-3)(2x^2-3)-25=0 |

Equations solver categories