(x-7)(x-7)=0

Simple and best practice solution for (x-7)(x-7)=0 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-7)(x-7)=0 equation:


Simplifying
(x + -7)(x + -7) = 0

Reorder the terms:
(-7 + x)(x + -7) = 0

Reorder the terms:
(-7 + x)(-7 + x) = 0

Multiply (-7 + x) * (-7 + x)
(-7(-7 + x) + x(-7 + x)) = 0
((-7 * -7 + x * -7) + x(-7 + x)) = 0
((49 + -7x) + x(-7 + x)) = 0
(49 + -7x + (-7 * x + x * x)) = 0
(49 + -7x + (-7x + x2)) = 0

Combine like terms: -7x + -7x = -14x
(49 + -14x + x2) = 0

Solving
49 + -14x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + -1x)(7 + -1x) = 0

Subproblem 1

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Subproblem 2

Set the factor '(7 + -1x)' equal to zero and attempt to solve: Simplifying 7 + -1x = 0 Solving 7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1x = 0 + -7 -1x = 0 + -7 Combine like terms: 0 + -7 = -7 -1x = -7 Divide each side by '-1'. x = 7 Simplifying x = 7

Solution

x = {7, 7}

See similar equations:

| 8x+4+4x+9=11x+3 | | 9x^2-15x-6x+10=0 | | (P+7)(p^2)(p-2)= | | s=21+0.25s | | 2t^8(t-t^2+5t^3)= | | 10x^2y+4xy-12xy^2=0 | | 10x^2y+4xy=12xy^2 | | 8+6x=68 | | 9X+972=XY | | (7x+2)=(3-2) | | 4x^2-44=60 | | 4+6=8+9 | | 6+6=8+9 | | 5x-3y=10 | | 10b-2b=64 | | 8n+7n=30 | | 57x+4y=2 | | 5+10=6+3 | | 3x^2+2x+11=0 | | 7+-2w=19 | | 7-2w=19 | | 8(3x-1)-(6x-8)=5(4x-30)-8 | | 2z+3y=1 | | 9x-2=14-23x | | 2*2x+(2+1)*x=100 | | (7x-1)(7x+1)=0 | | (7x-6)(7x-6)=0 | | (2x+5)-8=3x+7 | | 2x+5-8=3x+7 | | 0.5(2x+3x^2+9x^3)=0 | | (5x+2)+(x-7)-(2x+5)=0 | | (7m^3+7m)-(-3m^3-9m+4)=0 |

Equations solver categories