(x^2-5)-2x+7=

Simple and best practice solution for (x^2-5)-2x+7= 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^2-5)-2x+7= equation:


Simplifying
(x2 + -5) + -2x + 7 = 0

Reorder the terms:
(-5 + x2) + -2x + 7 = 0

Remove parenthesis around (-5 + x2)
-5 + x2 + -2x + 7 = 0

Reorder the terms:
-5 + 7 + -2x + x2 = 0

Combine like terms: -5 + 7 = 2
2 + -2x + x2 = 0

Solving
2 + -2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

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

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

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

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

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 = -2 + 1

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

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

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

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 78-3=9x+18 | | 1/2R=3/16 | | 29=5z-9z+25 | | 28-7x=12+9x | | 1/3(b+12)-1/4(b+12) | | 3(x+4)-8=10 | | x+18=3x+2 | | 5y^2+11y=12 | | 3t^2-6t-27=0 | | 2g-3f=4h | | -16x^2+276x-178=0 | | f+3?=12? | | s+4/5=-1/5 | | (k+3)/4=k/3 | | 3n-13=8n+7 | | -16x^2+215x-178=0 | | 2x+9x=3x+3 | | e+3/16=5/16 | | e+13/16=5/15 | | -4(1q+x)=-3(5-x) | | -14=-4(9x+1) | | 8x+5x-1x+3-x=48 | | p-5=-9+p | | 7+x=50 | | 15x=1/3 | | -4(1q+x)=-3(5-z) | | 6/5(8x+2)=36 | | 9x4y7/3x6 | | -16x^2+215x+14=0 | | l=(c+3d)/7 | | 9(3-8f)-2f= | | k+3/4=k/3 |

Equations solver categories