x^2-7x+27=0

Simple and best practice solution for x^2-7x+27=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 x^2-7x+27=0 equation:


Simplifying
x2 + -7x + 27 = 0

Reorder the terms:
27 + -7x + x2 = 0

Solving
27 + -7x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-27' to each side of the equation.
27 + -7x + -27 + x2 = 0 + -27

Reorder the terms:
27 + -27 + -7x + x2 = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -7x + x2 = 0 + -27
-7x + x2 = 0 + -27

Combine like terms: 0 + -27 = -27
-7x + x2 = -27

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = -27 + 12.25

Reorder the terms:
12.25 + -7x + x2 = -27 + 12.25

Combine like terms: -27 + 12.25 = -14.75
12.25 + -7x + x2 = -14.75

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = -14.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2/3x1/2=5/6 | | 3m-12=6-m | | (6g-10)+(12-8g)= | | 3x^2+35+72=0 | | 88=-8p+4(1+5p) | | 7x+21x-6=-10 | | -9-f=9 | | 3y=7y+8 | | 2x^2-14x+54=0 | | (X-7)(4x+4)= | | (5+4x)-(3-3x)= | | 2. 5X+3X-16=12X+24 | | 5X+3X-16=12X+24 | | 3p-4=6p-19 | | -10x+35=61+85x | | 2y-8+xy-4x= | | Y=-10x^2-130x-400 | | 3p-14p=5 | | 66.99+8.15= | | (5+3x)-(3-3x)= | | 4.2p=6.72 | | 0.8x+2.24=0.4x | | t^2=-11t-24 | | 1.8+m=-3.2 | | 3x-10=x-18 | | (3x-4)146+34= | | 1.8-m=-3.2 | | -3r^2-17-10=0 | | 32.5+13.43= | | 0.9x+8.25=1.5(2+2x) | | t^2=-11+-24 | | t^2+-11+-24= |

Equations solver categories