x^2-2x-19=-51

Simple and best practice solution for x^2-2x-19=-51 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^2-2x-19=-51 equation:


Simplifying
x2 + -2x + -19 = -51

Reorder the terms:
-19 + -2x + x2 = -51

Solving
-19 + -2x + x2 = -51

Solving for variable 'x'.

Reorder the terms:
-19 + 51 + -2x + x2 = -51 + 51

Combine like terms: -19 + 51 = 32
32 + -2x + x2 = -51 + 51

Combine like terms: -51 + 51 = 0
32 + -2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-32' to each side of the equation.
32 + -2x + -32 + x2 = 0 + -32

Reorder the terms:
32 + -32 + -2x + x2 = 0 + -32

Combine like terms: 32 + -32 = 0
0 + -2x + x2 = 0 + -32
-2x + x2 = 0 + -32

Combine like terms: 0 + -32 = -32
-2x + x2 = -32

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = -32 + 1

Reorder the terms:
1 + -2x + x2 = -32 + 1

Combine like terms: -32 + 1 = -31
1 + -2x + x2 = -31

Factor a perfect square on the left side:
(x + -1)(x + -1) = -31

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 40w-(180/(w^2))=0 | | X^4+12x^3+36x^2=0 | | z/3-6=15 | | 24x^2-22x+4=0 | | x-7/4=-9 | | 17=4x+7 | | 5(2a-3)-2(5a+8)=0 | | 5(2a-3)-2(5a+8)= | | y/3+0.2=12 | | 1/9n-6=-7 | | 1/9n-6=-7 | | (x)/(x^2-16) | | 8=2px+q | | 2(3a-4)-3(a+1)=0 | | X+-2=y | | 3a-7=5a+6 | | 3x^2-10=-91 | | 8x+7=5x+12 | | 17x+12-17=436 | | x^2+30=-79 | | 3x+14=20+2x | | 2(3t-4)+1=24-t | | x^2+800=0 | | 4x^2y^3+2(3x^2y^3+1)= | | 6x-7/4+3x-5/7=5x+78/28 | | 8x^6-6x^3-8=0 | | 4xy+2(3xy+1)= | | x^2/5-7^1/2-8=0 | | 3x-4(1-6x)=5 | | 4x+200=10 | | 14x+30=6x-10 | | 1.98/x=0.25 |

Equations solver categories