2x+3-x^2-5=

Simple and best practice solution for 2x+3-x^2-5= 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 2x+3-x^2-5= equation:


Simplifying
2x + 3 + -1x2 + -5 = 0

Reorder the terms:
3 + -5 + 2x + -1x2 = 0

Combine like terms: 3 + -5 = -2
-2 + 2x + -1x2 = 0

Solving
-2 + 2x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
2 + -2x + x2 = 0

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:

| 4x+4=-8+2x+20 | | -4(2x-6)=33 | | 5x+7=15x-1 | | 2t^2+7t+5= | | m/19=56/133 | | x^4=0.7 | | x^4=7 | | 2u^2-11u+12= | | 2(y+3)=4(y+2) | | -3(2x-7)=28 | | 0.8-2x=(-3x) | | 3(x+2)=4(2-x) | | -10=9a+17 | | 16r=256 | | 7(1-x)=2(1-3x) | | 6x-3(5x+3)=17 | | (-2)-3+2= | | 0.08-0.2x=1.32 | | 42y+43+53=180 | | 0=x*x+7x+12 | | 14r=98 | | 3p^2+10p+7= | | 100+30+2y=180 | | h(x)=2x^2+3x+1 | | 2x-4=-4x+6 | | 4(3v-2)=8(2w+3) | | 3x+8=-x+12 | | 3y-11=-3 | | 65+73+7x=180 | | 2t^2+11t+9= | | M^2-6m-85=6 | | 2y^2+y+11=0 |

Equations solver categories