x^2-2x+15=

Simple and best practice solution for x^2-2x+15= 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+15= equation:


Simplifying
x2 + -2x + 15 = 0

Reorder the terms:
15 + -2x + x2 = 0

Solving
15 + -2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-15' to each side of the equation.
15 + -2x + -15 + x2 = 0 + -15

Reorder the terms:
15 + -15 + -2x + x2 = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -2x + x2 = 0 + -15
-2x + x2 = 0 + -15

Combine like terms: 0 + -15 = -15
-2x + x2 = -15

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 = -15 + 1

Reorder the terms:
1 + -2x + x2 = -15 + 1

Combine like terms: -15 + 1 = -14
1 + -2x + x2 = -14

Factor a perfect square on the left side:
(x + -1)(x + -1) = -14

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -(-25)-15=x | | x+.06(x)=10 | | 5x-4(x-1)=8x+25-6x | | 2a(4a-1)(3a+9)=0 | | x+4=9x-24 | | 3x+33=8x+8 | | 4sinx+6=8 | | .25x+.5=2 | | 2x^3+11x^2-175x=0 | | 35x^2+81=90x | | (X-4)(x+1)(x-7)=0 | | 5+2(x-1)=x-18 | | ln(8x+3)-ln(9)=5 | | 2ln(x+3)=10 | | y+8y-3=(3y+1) | | X^2-40=o | | 7x+13x-30-4x^2=0 | | 5t-9=11t+15 | | x+5-17=13 | | 9x^2+18x-85=-3 | | -2/7t=2/3 | | Log(8x-7)=2 | | Logx(8x-7)=2 | | 4x=6-x^2 | | X^2+2y+2=0 | | 2c(7c-2)=0 | | 40c=180 | | 24x-y=42 | | h=-4.9t^2+28t+110 | | a=(7*8) | | -25-(-43)=x | | y=3(-3-2) |

Equations solver categories