80=x(x+2)

Simple and best practice solution for 80=x(x+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 80=x(x+2) equation:


Simplifying
80 = x(x + 2)

Reorder the terms:
80 = x(2 + x)
80 = (2 * x + x * x)
80 = (2x + x2)

Solving
80 = 2x + x2

Solving for variable 'x'.

Reorder the terms:
80 + -2x + -1x2 = 2x + -2x + x2 + -1x2

Combine like terms: 2x + -2x = 0
80 + -2x + -1x2 = 0 + x2 + -1x2
80 + -2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
80 + -2x + -1x2 = 0

Factor a trinomial.
(8 + -1x)(10 + x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(10 + x)' equal to zero and attempt to solve: Simplifying 10 + x = 0 Solving 10 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + x = 0 + -10 x = 0 + -10 Combine like terms: 0 + -10 = -10 x = -10 Simplifying x = -10

Solution

x = {8, -10}

See similar equations:

| h-17=40 | | 5+4y=1 | | g-80=42 | | 490+4x=(700+x)1.80 | | 8+f=61 | | 3(x+2)-5=16 | | 16d+(-4-5d)=-67 | | 3x+10=-54+7x | | e+19=56 | | 6=3m-3 | | (x+2)(x+2)4(x-3)=7x+12 | | d-32=2 | | 6x+5x-48=64+5x | | c-28=26 | | -(m+3n-6)= | | -3(r+9)=-38 | | 14+b=17 | | -8(x-2)+2=5 | | 2.25g=6.2 | | 0=2x^2+6x-12 | | -92=4(-2x-7) | | 13x-(x+2)=8x+1 | | y+18-4=32 | | 5x+4=4-8x | | 13j-6=28 | | 4x+3y+20=x^2+y^2-4x-2y-164 | | 7-(z+7)=9 | | (x+2)(x+2)(4x-12)=7x+12 | | 4(a+5)=2(-3a+5) | | 13n-3=21 | | -t^2=36-12t | | 4x+(7x+44)=154-11x |

Equations solver categories