6x+9+x^2-4x=2

Simple and best practice solution for 6x+9+x^2-4x=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 6x+9+x^2-4x=2 equation:


Simplifying
6x + 9 + x2 + -4x = 2

Reorder the terms:
9 + 6x + -4x + x2 = 2

Combine like terms: 6x + -4x = 2x
9 + 2x + x2 = 2

Solving
9 + 2x + x2 = 2

Solving for variable 'x'.

Reorder the terms:
9 + -2 + 2x + x2 = 2 + -2

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

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

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + 2x + -7 + x2 = 0 + -7

Reorder the terms:
7 + -7 + 2x + x2 = 0 + -7

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

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

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

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

Reorder the terms:
1 + 2x + x2 = -7 + 1

Combine like terms: -7 + 1 = -6
1 + 2x + x2 = -6

Factor a perfect square on the left side:
(x + 1)(x + 1) = -6

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| (2m-16)=(2m+4) | | -2(5+6m)+16=-99 | | 3y+4=3(6-1y) | | X+7-8x=18 | | p(x+4)-5=25 | | 2+.5(5x+2)=14 | | .8(n-6)=-8 | | (a+3)(a+4)=72 | | -4y-1=-3y-5 | | 16x+14y=0 | | -7n=2+2n+9 | | -5y+4(-3)= | | 100+12(a-8)=-68 | | 8a^2+18a+9=0 | | 6(6-9x)-4x=36-10x | | 5x-11=20-(x-5) | | -70.6+48.050+33.62= | | 2(-3x+6)=6 | | 2-k=k+9 | | 12+4q=16 | | 24x+21y=0 | | -8-1.5b=4 | | 2x-men=4x-1 | | (3x+6)(x-4)=8 | | 7.2x+5.6=-8.4-3.7 | | -5.23-.804+35.11= | | -4x+4(-3)= | | x-=x+ | | 12n+24=2(1n-8) | | [t+8][-2]=12 | | -2=-.33(x-9) | | -9=-n-(8-7n) |

Equations solver categories