x^2+6x+90=8

Simple and best practice solution for x^2+6x+90=8 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+6x+90=8 equation:


Simplifying
x2 + 6x + 90 = 8

Reorder the terms:
90 + 6x + x2 = 8

Solving
90 + 6x + x2 = 8

Solving for variable 'x'.

Reorder the terms:
90 + -8 + 6x + x2 = 8 + -8

Combine like terms: 90 + -8 = 82
82 + 6x + x2 = 8 + -8

Combine like terms: 8 + -8 = 0
82 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-82' to each side of the equation.
82 + 6x + -82 + x2 = 0 + -82

Reorder the terms:
82 + -82 + 6x + x2 = 0 + -82

Combine like terms: 82 + -82 = 0
0 + 6x + x2 = 0 + -82
6x + x2 = 0 + -82

Combine like terms: 0 + -82 = -82
6x + x2 = -82

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = -82 + 9

Reorder the terms:
9 + 6x + x2 = -82 + 9

Combine like terms: -82 + 9 = -73
9 + 6x + x2 = -73

Factor a perfect square on the left side:
(x + 3)(x + 3) = -73

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x^2+20x-73=0 | | (x-4)(x(1+i))(x(1-i))=0 | | 35x=180 | | 4(3x-8)-1=12x-33 | | 4w^2-8=5w | | x^2-15+50=0 | | 80r^2-45= | | 9-15=a-3 | | 12+4x=2y+5 | | 3x^2+12x-96=0 | | 50k-(20k+16k)*.10= | | 12+2y=4x+5 | | x^3+6x^2-36x=0 | | -4x+8=-2(3x+4) | | -2m^2+3m=1 | | N+17=9 | | 50k-(20k-16k)(1-0.10)= | | x^3+6x^2-96x=0 | | 2n+4n=6 | | 45x=17+6x | | 50k-(20k+16k)= | | -21+70x=77 | | 15x^2-35x+10=0 | | b=90 | | 1+5x^2+x^4= | | 28+24x=36 | | 50k-(20k-16k)= | | 50=w(w-5) | | x+9y=-6 | | 9x+6y=-54 | | 116+x=5x | | 9m-8=9m+4 |

Equations solver categories