3x^2-16x+27=0

Simple and best practice solution for 3x^2-16x+27=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^2-16x+27=0 equation:


Simplifying
3x2 + -16x + 27 = 0

Reorder the terms:
27 + -16x + 3x2 = 0

Solving
27 + -16x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
9 + -5.333333333x + x2 = 0

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + -5.333333333x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + -5.333333333x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -5.333333333x + x2 = 0 + -9
-5.333333333x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
-5.333333333x + x2 = -9

The x term is -5.333333333x.  Take half its coefficient (-2.666666667).
Square it (7.111111113) and add it to both sides.

Add '7.111111113' to each side of the equation.
-5.333333333x + 7.111111113 + x2 = -9 + 7.111111113

Reorder the terms:
7.111111113 + -5.333333333x + x2 = -9 + 7.111111113

Combine like terms: -9 + 7.111111113 = -1.888888887
7.111111113 + -5.333333333x + x2 = -1.888888887

Factor a perfect square on the left side:
(x + -2.666666667)(x + -2.666666667) = -1.888888887

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4(3-1)+13=5y+2 | | 2a+3+6a=14 | | 10x^2+5x+4000=0 | | 8x^3-72x^2=0 | | 9+2m=3n-2 | | 2.5x=2.25 | | 7((-3)-3)=6y | | -10+1=40-7x | | 6v-45=9(v-3) | | -6-u=6-7u | | -t^2-3t+1=0 | | 3x^3-7x^2+5x-1=0 | | 4p-7(1+6p)=-235 | | n-(-23)=-19 | | 24=-3x^3-6x^2+18x | | 0.5=4d+0.1 | | 6=3b+21 | | 8(5+5x)+4x=20 | | 1+10w=10+9w | | 91=7(8+n) | | X-(.10x)=900 | | 6+6v=5v | | 8f-6=-3f+9+6f | | 88f-6=-3f+9+6f | | x-(3.1)=9.7 | | -5.7=m+(-0.7) | | (2x^2-11x)+(4x^2-4)= | | 5x^2+5y^2+30x=80 | | r+(-7.5)=10.3 | | 3(x+1)=34 | | -24=-31+w | | Y=7sin(7x+c) |

Equations solver categories