x^2-5x+20=-5

Simple and best practice solution for x^2-5x+20=-5 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 x^2-5x+20=-5 equation:


Simplifying
x2 + -5x + 20 = -5

Reorder the terms:
20 + -5x + x2 = -5

Solving
20 + -5x + x2 = -5

Solving for variable 'x'.

Reorder the terms:
20 + 5 + -5x + x2 = -5 + 5

Combine like terms: 20 + 5 = 25
25 + -5x + x2 = -5 + 5

Combine like terms: -5 + 5 = 0
25 + -5x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-25' to each side of the equation.
25 + -5x + -25 + x2 = 0 + -25

Reorder the terms:
25 + -25 + -5x + x2 = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -5x + x2 = 0 + -25
-5x + x2 = 0 + -25

Combine like terms: 0 + -25 = -25
-5x + x2 = -25

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = -25 + 6.25

Reorder the terms:
6.25 + -5x + x2 = -25 + 6.25

Combine like terms: -25 + 6.25 = -18.75
6.25 + -5x + x2 = -18.75

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = -18.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 4x+6x=-1 | | 3-8[2-(7y-3)]= | | 0.7(x-2)= | | 2x+6-4x=y | | 5x-6=60 | | 10-2x=30-10x | | 8(2-3)=24 | | 2(3x-8)=3(5x-2) | | -14x-2=12 | | 3x^3-33x^2+72x=0 | | 60/a= | | f(x)=7x^2+28x | | Cos(x)+1=-cos(x) | | (-288/(x^2))=0 | | (-288/(x^^2))=0 | | (9x^2-7x-1)/(12x^2-1) | | 4x+2+7x-19=34 | | 96=15-x | | 6v^2-13v-5=0 | | 51+3x=-5x+75 | | k^2+14k+50=0 | | log(3x+1)=logx | | 10x-2y=82 | | sin^2-1=0 | | 51+3x=-5+75 | | 15x+20y=24 | | x+x+8+x+8+8-6=28 | | 1/3(25)^2(8) | | 10=m+5+m | | -5x^3-5x^2+10x=0 | | 6(k+2)=-2(4k-5) | | ln(3x+1)=lnx |

Equations solver categories