-3x^2+3x-7=

Simple and best practice solution for -3x^2+3x-7= 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+3x-7= equation:


Simplifying
-3x2 + 3x + -7 = 0

Reorder the terms:
-7 + 3x + -3x2 = 0

Solving
-7 + 3x + -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'.
2.333333333 + -1x + x2 = 0

Move the constant term to the right:

Add '-2.333333333' to each side of the equation.
2.333333333 + -1x + -2.333333333 + x2 = 0 + -2.333333333

Reorder the terms:
2.333333333 + -2.333333333 + -1x + x2 = 0 + -2.333333333

Combine like terms: 2.333333333 + -2.333333333 = 0.000000000
0.000000000 + -1x + x2 = 0 + -2.333333333
-1x + x2 = 0 + -2.333333333

Combine like terms: 0 + -2.333333333 = -2.333333333
-1x + x2 = -2.333333333

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = -2.333333333 + 0.25

Reorder the terms:
0.25 + -1x + x2 = -2.333333333 + 0.25

Combine like terms: -2.333333333 + 0.25 = -2.083333333
0.25 + -1x + x2 = -2.083333333

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = -2.083333333

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| e/0.76=2809 | | (n+1)*6=11 | | x^2+5x-9= | | 24x+30=-6x | | -8x+50=10 | | 5-2y=8-1 | | 1.5m=30.3 | | -7.2x=61.2 | | .15x-4.25=.5(x-5) | | -2+9(x-1)=17x+4-8x | | 45=10+1.25f | | x=-0.5x^2+25x | | -9x=2.34 | | 3x-4=y+8 | | 3/4(5x+2)=2(3-4x)+19 | | x=x^2-x-6 | | 8x+5=-21 | | 6a-6=2a+1 | | 14x+12=-12+2x | | 7-9x=192-42x | | 2(x-2)=2+x | | 6x*2=14 | | 8x+3=-14 | | 2x+23=10x+6 | | 14x+3=5x-17 | | 4(x+12)-3=6(x+1)+7 | | 8x+4y+6z-5x+4z-7y= | | 12(z-60)=60 | | (-1/4^3)(4/9^4) | | 14x+3=5x-7 | | 5a+3=31-2a | | 2x+4=9-y |

Equations solver categories