(x-9)(x-9)=

Simple and best practice solution for (x-9)(x-9)= 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-9)(x-9)= equation:


Simplifying
(x + -9)(x + -9) = 0

Reorder the terms:
(-9 + x)(x + -9) = 0

Reorder the terms:
(-9 + x)(-9 + x) = 0

Multiply (-9 + x) * (-9 + x)
(-9(-9 + x) + x(-9 + x)) = 0
((-9 * -9 + x * -9) + x(-9 + x)) = 0
((81 + -9x) + x(-9 + x)) = 0
(81 + -9x + (-9 * x + x * x)) = 0
(81 + -9x + (-9x + x2)) = 0

Combine like terms: -9x + -9x = -18x
(81 + -18x + x2) = 0

Solving
81 + -18x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(9 + -1x)(9 + -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 '(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

Solution

x = {9, 9}

See similar equations:

| 0.75(4-x)=-24 | | 10*6+9*6+8*6+10*8= | | (2lnx)/x^4=0 | | (7*3)*d=7*(3*2) | | 6k-3=15 | | 84+6y=-42 | | -16.2b-10.82=-14.56-5.89 | | x^2+18-307=0 | | .5(2a*3)=.5[4a+(-4)] | | 16(z+3)=(z+9) | | 396x/7=60 | | J*23=23 | | 4x+8=5x+10 | | y=0.15385*200+0.75 | | -20+-3y=13 | | 32/4=k^3 | | y=0.15385*200 | | (396x/7)=60 | | 3y=-2+5 | | (3x-18)+(x+7)+(x-9)=180 | | x^2+21x+110= | | -4.5k=-2.3k+11.22 | | X+5.3=-6.4 | | 10+5+a+4a= | | 3x+7=3x+9 | | (12+13)+5=12+(x+5) | | 12=p-16 | | 10a=2.5 | | -5x+12=-33 | | -1.2-5.49=-11.8m+7.7m-2.59 | | 44x^2-44x+11=0 | | C-2.5=-3.7 |

Equations solver categories