9x^2-8x+36=0

Simple and best practice solution for 9x^2-8x+36=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 9x^2-8x+36=0 equation:


Simplifying
9x2 + -8x + 36 = 0

Reorder the terms:
36 + -8x + 9x2 = 0

Solving
36 + -8x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
4 + -0.8888888889x + x2 = 0

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -0.8888888889x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + -0.8888888889x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -0.8888888889x + x2 = 0 + -4
-0.8888888889x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
-0.8888888889x + x2 = -4

The x term is -0.8888888889x.  Take half its coefficient (-0.4444444445).
Square it (0.1975308642) and add it to both sides.

Add '0.1975308642' to each side of the equation.
-0.8888888889x + 0.1975308642 + x2 = -4 + 0.1975308642

Reorder the terms:
0.1975308642 + -0.8888888889x + x2 = -4 + 0.1975308642

Combine like terms: -4 + 0.1975308642 = -3.8024691358
0.1975308642 + -0.8888888889x + x2 = -3.8024691358

Factor a perfect square on the left side:
(x + -0.4444444445)(x + -0.4444444445) = -3.8024691358

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4x^2+x-35= | | (6x+4)+(4x+6)=180 | | 1620=(n-2)*180 | | -115+180=-489 | | -5x+5+3x+7=5x-6+x+12 | | s=(1620)*180 | | 8x+36=-21x-4x | | 19n-14-15=8(5n+20) | | 0.8x-0.3(14-2x)=-0.7(x-6) | | 2(5s-16)-5s=-5 | | 15.1f-16.06=14.96+17.3f | | 3-2t=30 | | (z-3)(z-6)= | | 3x+6=9x+8 | | 0.03x= | | 85.50+12x=75.50+15x | | -4(0.1x+0.4)-1.2=-0.4 | | 6x(3x-4)= | | T+13.2=-5.6 | | -8.2p=-9.7p-9.75 | | -4(-5x+3)=20+4x | | X-8.6=-4.6 | | -3(2x+1)=3(x+4)+3 | | x+x+2+x+4=-12 | | 0.25x+7=1/3x-8 | | 13=y+11 | | 8.9v+7.68-19.5v=-9.3v+18.08 | | 92x=-2(4x-25) | | 22x=32(2.25-x) | | [3-2r]=7 | | 5c+4=54 | | (5x^2)+(-8x+82)=90 |

Equations solver categories