-2x^2+7x-33=0

Simple and best practice solution for -2x^2+7x-33=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+7x-33=0 equation:


Simplifying
-2x2 + 7x + -33 = 0

Reorder the terms:
-33 + 7x + -2x2 = 0

Solving
-33 + 7x + -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'.
16.5 + -3.5x + x2 = 0

Move the constant term to the right:

Add '-16.5' to each side of the equation.
16.5 + -3.5x + -16.5 + x2 = 0 + -16.5

Reorder the terms:
16.5 + -16.5 + -3.5x + x2 = 0 + -16.5

Combine like terms: 16.5 + -16.5 = 0.0
0.0 + -3.5x + x2 = 0 + -16.5
-3.5x + x2 = 0 + -16.5

Combine like terms: 0 + -16.5 = -16.5
-3.5x + x2 = -16.5

The x term is -3.5x.  Take half its coefficient (-1.75).
Square it (3.0625) and add it to both sides.

Add '3.0625' to each side of the equation.
-3.5x + 3.0625 + x2 = -16.5 + 3.0625

Reorder the terms:
3.0625 + -3.5x + x2 = -16.5 + 3.0625

Combine like terms: -16.5 + 3.0625 = -13.4375
3.0625 + -3.5x + x2 = -13.4375

Factor a perfect square on the left side:
(x + -1.75)(x + -1.75) = -13.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x^4-4x^3-5x^2+38x-30=0 | | 54x^3=150x | | 8-[(-4)-5]= | | ln(x)-ln(x-8)=1 | | y=(x^2+4x-12)(x-3) | | 21+22y=-11 | | 5(13-16x)=-20y-75 | | 9x+5=5x+7 | | 3(x-6)=3-2(x+1) | | -7(6x-5)+5=-42x+40 | | ln(2x-2)-ln(x-2)=lnx | | 2e(3x+6)=12 | | 4x-7=5y-14 | | 10-45= | | 6(10x-9)=66+12y | | 0-31= | | 2x^2-158=42 | | 46+(-27)= | | -7(6x-5)+5=42x+40 | | 4+3h=27 | | 2f+5=9 | | -14-64= | | x^2+4y+4x+xy= | | 8-(2y-1)=2-3y | | 5x+10y=5500 | | 270-c=72 | | 0.3+0.6+0.04+0.02= | | 3(8+2x)=6y+48 | | -3=-3(3x-5) | | 7x+3=-7+5x+22 | | 2x^4-x^3-6x^2+x+2=0 | | Ln(4x-4)-ln(5)=4 |

Equations solver categories