2x^2-9x+36=0

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


Simplifying
2x2 + -9x + 36 = 0

Reorder the terms:
36 + -9x + 2x2 = 0

Solving
36 + -9x + 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'.
18 + -4.5x + x2 = 0

Move the constant term to the right:

Add '-18' to each side of the equation.
18 + -4.5x + -18 + x2 = 0 + -18

Reorder the terms:
18 + -18 + -4.5x + x2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -4.5x + x2 = 0 + -18
-4.5x + x2 = 0 + -18

Combine like terms: 0 + -18 = -18
-4.5x + x2 = -18

The x term is -4.5x.  Take half its coefficient (-2.25).
Square it (5.0625) and add it to both sides.

Add '5.0625' to each side of the equation.
-4.5x + 5.0625 + x2 = -18 + 5.0625

Reorder the terms:
5.0625 + -4.5x + x2 = -18 + 5.0625

Combine like terms: -18 + 5.0625 = -12.9375
5.0625 + -4.5x + x2 = -12.9375

Factor a perfect square on the left side:
(x + -2.25)(x + -2.25) = -12.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 7m(2-m)+3n(2-m)= | | 5-i/8+2i | | 6e^2x+7=27 | | 27z^2+17z=0 | | 3b/4-1b/5=11 | | 13=4+x/2+x | | x-.20=36 | | -6+7(x-3)=16x+4-9x | | 3b/4-1b/5=12 | | 16x^2+13x-28= | | 15=60x | | x^2+y^2-18x-18y+53=0 | | 3/b-1 | | 254/2 | | 254/4 | | 150000=210000x | | 0=2x^2-16x-25 | | 4x^2+y^2=6y-8 | | -7x+3=4x+36 | | x+8x/5=39 | | 8x+12=32 | | 9(m^2+1)=9 | | x+7x/4=66 | | 440/0.25 | | 14x+32=234 | | f(26500)=116x^2+689x+3641 | | f(X)=116x^2+689x+3641 | | 60=(4)(10)b | | 440/2/5 | | 42.4=542x | | 2x^2-x+105=0 | | 8x+5=6x-9 |

Equations solver categories