(x*x)=2x+99

Simple and best practice solution for (x*x)=2x+99 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 (x*x)=2x+99 equation:


Simplifying
(x * x) = 2x + 99

Multiply x * x
(x2) = 2x + 99
x2 = 2x + 99

Reorder the terms:
x2 = 99 + 2x

Solving
x2 = 99 + 2x

Solving for variable 'x'.

Reorder the terms:
-99 + -2x + x2 = 99 + 2x + -99 + -2x

Reorder the terms:
-99 + -2x + x2 = 99 + -99 + 2x + -2x

Combine like terms: 99 + -99 = 0
-99 + -2x + x2 = 0 + 2x + -2x
-99 + -2x + x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-99 + -2x + x2 = 0

Factor a trinomial.
(-9 + -1x)(11 + -1x) = 0

Subproblem 1

Set the factor '(-9 + -1x)' equal to zero and attempt to solve: Simplifying -9 + -1x = 0 Solving -9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -1x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -1x = 0 + 9 -1x = 0 + 9 Combine like terms: 0 + 9 = 9 -1x = 9 Divide each side by '-1'. x = -9 Simplifying x = -9

Subproblem 2

Set the factor '(11 + -1x)' equal to zero and attempt to solve: Simplifying 11 + -1x = 0 Solving 11 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + -1x = 0 + -11 Combine like terms: 11 + -11 = 0 0 + -1x = 0 + -11 -1x = 0 + -11 Combine like terms: 0 + -11 = -11 -1x = -11 Divide each side by '-1'. x = 11 Simplifying x = 11

Solution

x = {-9, 11}

See similar equations:

| 6x+2(x-9)+7=5 | | 9d+4d-d-2=5d | | -3x-6=4x+1 | | 3x+6x-1=43 | | H=5+65t-16t^2 | | 3x^2-30x+18=0 | | 30*1/3 | | 1.25/9.5 | | 7*(x*x)=4x | | Y=0.16x^2-3.2x | | -23=3e-[-9] | | 9-y-y=17 | | (x*x)+3x+2=0 | | 180=43+x+6+(2x-10) | | 3sinx=2sinx | | 4(-2.3-5)=-8(-2.3+6) | | -58x=30 | | 36*(x*x)=25 | | 4p+25=6(6-3)-3(4-3p) | | 5/9(36-34) | | (x*x)+12x=-36 | | 4a-32/a^2=0 | | 6-11=-2x+5 | | 1+1x*0+1= | | 12e+4d= | | 10*(x*x)=9x | | 12*(100-5)= | | .125y+5=-18 | | 3x+621=1080 | | 7*25/8= | | y=6-3(y-6) | | y=8/7(39.2)-8 |

Equations solver categories