-2x^2+3x-11=0

Simple and best practice solution for -2x^2+3x-11=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+3x-11=0 equation:


Simplifying
-2x2 + 3x + -11 = 0

Reorder the terms:
-11 + 3x + -2x2 = 0

Solving
-11 + 3x + -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'.
5.5 + -1.5x + x2 = 0

Move the constant term to the right:

Add '-5.5' to each side of the equation.
5.5 + -1.5x + -5.5 + x2 = 0 + -5.5

Reorder the terms:
5.5 + -5.5 + -1.5x + x2 = 0 + -5.5

Combine like terms: 5.5 + -5.5 = 0.0
0.0 + -1.5x + x2 = 0 + -5.5
-1.5x + x2 = 0 + -5.5

Combine like terms: 0 + -5.5 = -5.5
-1.5x + x2 = -5.5

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = -5.5 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = -5.5 + 0.5625

Combine like terms: -5.5 + 0.5625 = -4.9375
0.5625 + -1.5x + x2 = -4.9375

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = -4.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -123=3(6x+7) | | w+5=-25 | | 5n(4n+3)=0 | | 18=2(n-7) | | F(-9)=3x+7 | | -5x-4+7x=8 | | x^2-16x+37=-2x+4 | | 2(2x+0.3)+2(5x+1.3)=2(4x-0.1) | | -2x^2+3x-2=9 | | r-2-4r=-38 | | 3x+2(-2.5x-2)=0 | | -48+28y+4=6(5y-4)-6 | | -3x+5+8x=35 | | x^2+7x+20=8 | | X^3-4x^2+x+4=0 | | 38+x=100 | | 0.83x-.5=4 | | N+90=120 | | z^8-22z^4=75 | | 2a-7-(5+6a)= | | (2m+3n)(4m+6n)=0 | | x^2+1.67x-14.8346=0 | | 2+10a+-9=3a | | -71=9+8N | | 2.5=5n | | 2-wx=vx+1 | | 16y^4-36=0 | | 3(1+x)-x=7 | | 15n-30=150 | | 5x-7y+2y-9y+5y= | | F(8)=3x+7 | | x^3+6x^2+2x-12=0 |

Equations solver categories