x(x-7)+9=x(x+2)

Simple and best practice solution for x(x-7)+9=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 x(x-7)+9=x(x+2) equation:


Simplifying
x(x + -7) + 9 = x(x + 2)

Reorder the terms:
x(-7 + x) + 9 = x(x + 2)
(-7 * x + x * x) + 9 = x(x + 2)
(-7x + x2) + 9 = x(x + 2)

Reorder the terms:
9 + -7x + x2 = x(x + 2)

Reorder the terms:
9 + -7x + x2 = x(2 + x)
9 + -7x + x2 = (2 * x + x * x)
9 + -7x + x2 = (2x + x2)

Add '-1x2' to each side of the equation.
9 + -7x + x2 + -1x2 = 2x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
9 + -7x + 0 = 2x + x2 + -1x2
9 + -7x = 2x + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
9 + -7x = 2x + 0
9 + -7x = 2x

Solving
9 + -7x = 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
9 + -7x + -2x = 2x + -2x

Combine like terms: -7x + -2x = -9x
9 + -9x = 2x + -2x

Combine like terms: 2x + -2x = 0
9 + -9x = 0

Add '-9' to each side of the equation.
9 + -9 + -9x = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -9x = 0 + -9
-9x = 0 + -9

Combine like terms: 0 + -9 = -9
-9x = -9

Divide each side by '-9'.
x = 1

Simplifying
x = 1

See similar equations:

| 15k+8(11-k)= | | 7-(4/5)y+2=-20 | | 0=2x^2+2x-4 | | (9x)(6x)=y | | x+7/5=-3 | | x=10+y | | -4+6x=x+21 | | 2(7+3x)=-t | | x-6=x-10/3 | | 49c+1-4c=39c-2 | | (1/4)+(9/x)=5/8 | | 2+4(x-11)=22 | | 0.2x-0.5(2x+5)=-0.9(x+3) | | 117p^2+2pq-24q^2=0 | | 2x+2y=1000 | | n-12=6 | | 2/3x+1/6q+1/3 | | 1/4x+9x=5/8 | | -6-3(x-2)=7x+20 | | 10/3x-1/4=-81/4 | | m-55=67 | | 22.5=7(n-3.4) | | C=24/6 | | -7=-2x+11 | | x/8+1/2=9/8 | | 8-0.5x=1 | | -4(t-5)+6t=5t-6 | | 2b=b+27 | | (2c-4)=3(c-2) | | 20y+9=5y+9 | | -3-6k=-489 | | -[2z-(9z+10)]=10+(6z+6) |

Equations solver categories