20+x=x^2

Simple and best practice solution for 20+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 20+x=x^2 equation:


Simplifying
20 + x = x2

Solving
20 + x = x2

Solving for variable 'x'.

Combine like terms: x2 + -1x2 = 0
20 + x + -1x2 = 0

Factor a trinomial.
(5 + -1x)(4 + x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {5, -4}

See similar equations:

| 1=x+3+2 | | 15x+14x=580 | | 9-4+4x=o | | 9=p-6+7 | | 8y+y=8y-1 | | X(2x)=54 | | -48=8(3-3p) | | -25=5(7+4n) | | -2(1+4n)=-18 | | 2(-4)+1=-4 | | 0.75d+0.5=0.75 | | 3*(3-x:23)+2=2*(x-1) | | -9w+6=-2(3w-4) | | 24x*x-8x=0 | | x/12-42=-56 | | 3*(3-x)+2=2*(x-1) | | 3*(3-x)+2=8-2*(x-1) | | -16=-8(1+x) | | 74-12x=-10 | | 12g-9=132 | | 12x-39=21 | | 51=3p+3 | | 3(2p-4)-3p=6 | | p^2+42=-13p | | 245-171.75= | | P*2+42=-13p | | 7x+8=4x+19 | | 108.25+63.50= | | P/5=-9 | | -12+b=41 | | -x+25=1 | | -1.33x=0.14 |

Equations solver categories