-5x=5x^2-8x+4

Simple and best practice solution for -5x=5x^2-8x+4 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 -5x=5x^2-8x+4 equation:


Simplifying
-5x = 5x2 + -8x + 4

Reorder the terms:
-5x = 4 + -8x + 5x2

Solving
-5x = 4 + -8x + 5x2

Solving for variable 'x'.

Reorder the terms:
-4 + -5x + 8x + -5x2 = 4 + -8x + 5x2 + -4 + 8x + -5x2

Combine like terms: -5x + 8x = 3x
-4 + 3x + -5x2 = 4 + -8x + 5x2 + -4 + 8x + -5x2

Reorder the terms:
-4 + 3x + -5x2 = 4 + -4 + -8x + 8x + 5x2 + -5x2

Combine like terms: 4 + -4 = 0
-4 + 3x + -5x2 = 0 + -8x + 8x + 5x2 + -5x2
-4 + 3x + -5x2 = -8x + 8x + 5x2 + -5x2

Combine like terms: -8x + 8x = 0
-4 + 3x + -5x2 = 0 + 5x2 + -5x2
-4 + 3x + -5x2 = 5x2 + -5x2

Combine like terms: 5x2 + -5x2 = 0
-4 + 3x + -5x2 = 0

Begin completing the square.  Divide all terms by
-5 the coefficient of the squared term: 

Divide each side by '-5'.
0.8 + -0.6x + x2 = 0

Move the constant term to the right:

Add '-0.8' to each side of the equation.
0.8 + -0.6x + -0.8 + x2 = 0 + -0.8

Reorder the terms:
0.8 + -0.8 + -0.6x + x2 = 0 + -0.8

Combine like terms: 0.8 + -0.8 = 0.0
0.0 + -0.6x + x2 = 0 + -0.8
-0.6x + x2 = 0 + -0.8

Combine like terms: 0 + -0.8 = -0.8
-0.6x + x2 = -0.8

The x term is -0.6x.  Take half its coefficient (-0.3).
Square it (0.09) and add it to both sides.

Add '0.09' to each side of the equation.
-0.6x + 0.09 + x2 = -0.8 + 0.09

Reorder the terms:
0.09 + -0.6x + x2 = -0.8 + 0.09

Combine like terms: -0.8 + 0.09 = -0.71
0.09 + -0.6x + x2 = -0.71

Factor a perfect square on the left side:
(x + -0.3)(x + -0.3) = -0.71

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 0.02p+0.04(1700-p)=70 | | 4x^3+36x^2+56x=0 | | 0.55x+1.2(1.2+0.2x)= | | x/3-11=-2 | | -8x+43=-3(x-6) | | X+13=5x-25 | | -16t^2+112t-180=0 | | 23+35745654+64776483657=123456789123456789123456789123456789 | | -6x^2+15x-22=0 | | 20y-5=3y+2 | | x+11=5(7-x) | | 12a+4b+8c=6d+3e+3f | | (x+1)ln(3)=xln(2) | | sin(28)=6.9/x | | 11+x^2=4x^2+5 | | 9=-15-10p | | lnx+ln(x+12)=1 | | 3x=3+6 | | 19+2n=3 | | 3x^2+2x+1=2 | | 200=-16t^2+112t+20 | | -4+5r=-4 | | 3x+7y=-61 | | x-(.3(x))=27 | | (4x^2-16)= | | -4v-14=2(3v+3) | | 26y+-14=3x | | 4x+70=6x+40 | | 26x-14=3y | | 25t+2000=0 | | 4x-7=8y | | X-6.5/10 |

Equations solver categories