(x-9)(x-1)+7=0

Simple and best practice solution for (x-9)(x-1)+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-9)(x-1)+7=0 equation: 


Simplifying
(x + -9)(x + -1) + 7 = 0

Reorder the terms:
(-9 + x)(x + -1) + 7 = 0

Reorder the terms:
(-9 + x)(-1 + x) + 7 = 0

Multiply (-9 + x) * (-1 + x)
(-9(-1 + x) + x(-1 + x)) + 7 = 0
((-1 * -9 + x * -9) + x(-1 + x)) + 7 = 0
((9 + -9x) + x(-1 + x)) + 7 = 0
(9 + -9x + (-1 * x + x * x)) + 7 = 0
(9 + -9x + (-1x + x2)) + 7 = 0

Combine like terms: -9x + -1x = -10x
(9 + -10x + x2) + 7 = 0

Reorder the terms:
9 + 7 + -10x + x2 = 0

Combine like terms: 9 + 7 = 16
16 + -10x + x2 = 0

Solving
16 + -10x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(2 + -1x)(8 + -1x) = 0


Subproblem 1
Set the factor '(2 + -1x)' equal to zero and attempt to solve:

Simplifying
2 + -1x = 0

Solving
2 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + -1x = 0 + -2

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

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

Divide each side by '-1'.
x = 2

Simplifying
x = 2

Subproblem 2
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
Solution
x = {2, 8}

See similar equations:

| x=x-3-34+57/2+2-3/4 | | 6+9=98 | | x=x-3-34+57 | | x-23=x-3-34+57 | | 5+5s=20 | | 5r-4=40 | | -2(3x+4)-10=0 | | 8a-5=2a+7 | | -4(x+5y)+6(5x+y)= | | x=1+3-(56-5)2+4-3/4 | | 4(x+1)=9x-1 | | x=1+3-(56-5)2+4 | | 18-3x=-9 | | 12c+6=87 | | 2m-9m=-77 | | x=1+3-56-7*8 | | 9n+3-8n=8-14 | | (x+6)(x+4)=22 | | (4u-6)(8-u)=0 | | 2x-1=32 | | 92x=27 | | 7x^2+6x+3=0 | | x+1=-1+-5 | | 5x^2+7+2=0 | | -3b(2a-3b)+6(-6ab+25b)= | | R=y | | -3b(2a-3b)+6(-6ab-25b)= | | 100[0.06(y+2)]= | | 4x+1=5x+(-5) | | -(x-9y)= | | 4x+1=5x+-5 | | 3log(x+2)=6 |

Equations solver categories