3x-2(x^2-4x+2)-24=0

Simple and best practice solution for 3x-2(x^2-4x+2)-24=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 3x-2(x^2-4x+2)-24=0 equation:


Simplifying
3x + -2(x2 + -4x + 2) + -24 = 0

Reorder the terms:
3x + -2(2 + -4x + x2) + -24 = 0
3x + (2 * -2 + -4x * -2 + x2 * -2) + -24 = 0
3x + (-4 + 8x + -2x2) + -24 = 0

Reorder the terms:
-4 + -24 + 3x + 8x + -2x2 = 0

Combine like terms: -4 + -24 = -28
-28 + 3x + 8x + -2x2 = 0

Combine like terms: 3x + 8x = 11x
-28 + 11x + -2x2 = 0

Solving
-28 + 11x + -2x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-2 the coefficient of the squared term: 

Divide each side by '-2'.
14 + -5.5x + x2 = 0

Move the constant term to the right:

Add '-14' to each side of the equation.
14 + -5.5x + -14 + x2 = 0 + -14

Reorder the terms:
14 + -14 + -5.5x + x2 = 0 + -14

Combine like terms: 14 + -14 = 0
0 + -5.5x + x2 = 0 + -14
-5.5x + x2 = 0 + -14

Combine like terms: 0 + -14 = -14
-5.5x + x2 = -14

The x term is -5.5x.  Take half its coefficient (-2.75).
Square it (7.5625) and add it to both sides.

Add '7.5625' to each side of the equation.
-5.5x + 7.5625 + x2 = -14 + 7.5625

Reorder the terms:
7.5625 + -5.5x + x2 = -14 + 7.5625

Combine like terms: -14 + 7.5625 = -6.4375
7.5625 + -5.5x + x2 = -6.4375

Factor a perfect square on the left side:
(x + -2.75)(x + -2.75) = -6.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 1x+6=14 | | 17-(4m+7)=3+3m-14 | | 5a-2b-3b+6b+2a= | | 14x+5=8x-1 | | 5x+4=15x-64 | | x^3+3x^2-118x-120=0 | | 10x-10=6x+110 | | 2.5x-7.2=1.8 | | 7x^2=33x+10 | | 9x-3=2x-18 | | 5-(x+2)= | | -1.3(2x-4)+2x=0.7(3-x) | | x^5+7.5=0 | | -1.3(2x-5)=0.7(3-x) | | 4x+3=3x+44 | | 3p+2z+1=p-(-2x-1) | | x^2-4x+22=0 | | 6z^2+21z-12=0 | | 3f+4f-2f+6= | | 38.4=y+18x | | 3y+9x=10 | | 4(c+3)+7=19 | | 5+m=7 | | 3a-2*2=9 | | (m^4)+(5m^3)-(35m^2)=0 | | -2x^2=-x^4+x^3+2x^2 | | m^4+5m^3-35m^2=0 | | 5(x+10)2=80 | | f-1.5= | | 17=n+1 | | 0.125+7=2 | | 13=5+n |

Equations solver categories