2u^2-2u+1=u^2-4

Simple and best practice solution for 2u^2-2u+1=u^2-4 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 2u^2-2u+1=u^2-4 equation:


Simplifying
2u2 + -2u + 1 = u2 + -4

Reorder the terms:
1 + -2u + 2u2 = u2 + -4

Reorder the terms:
1 + -2u + 2u2 = -4 + u2

Solving
1 + -2u + 2u2 = -4 + u2

Solving for variable 'u'.

Reorder the terms:
1 + 4 + -2u + 2u2 + -1u2 = -4 + u2 + 4 + -1u2

Combine like terms: 1 + 4 = 5
5 + -2u + 2u2 + -1u2 = -4 + u2 + 4 + -1u2

Combine like terms: 2u2 + -1u2 = 1u2
5 + -2u + 1u2 = -4 + u2 + 4 + -1u2

Reorder the terms:
5 + -2u + 1u2 = -4 + 4 + u2 + -1u2

Combine like terms: -4 + 4 = 0
5 + -2u + 1u2 = 0 + u2 + -1u2
5 + -2u + 1u2 = u2 + -1u2

Combine like terms: u2 + -1u2 = 0
5 + -2u + 1u2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + -2u + -5 + u2 = 0 + -5

Reorder the terms:
5 + -5 + -2u + u2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -2u + u2 = 0 + -5
-2u + u2 = 0 + -5

Combine like terms: 0 + -5 = -5
-2u + u2 = -5

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

Add '1' to each side of the equation.
-2u + 1 + u2 = -5 + 1

Reorder the terms:
1 + -2u + u2 = -5 + 1

Combine like terms: -5 + 1 = -4
1 + -2u + u2 = -4

Factor a perfect square on the left side:
(u + -1)(u + -1) = -4

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2x+10=4x-2(x-5) | | 27x^3-8y^9= | | 3x=3z+1 | | 4x=4z+1 | | (9+z)(5z+1)=0 | | 21x-7x^2=0 | | 10y^2+4y+2=0 | | 60000/12= | | 2x^3+10+x+5=0 | | 15-45p+10p^2=0 | | x^2-4/x=17 | | x2-4/x=17 | | 8m^6-5m^2+6m=0 | | w^2+8w+k=0 | | (X-4)(2x-4)=196 | | 6x-109=-13 | | 2ln(5/3) | | sin(2x+2)=1 | | 16y^2-36y-4=0 | | (4x(x-3))/(2x^2) | | 10sinx-7=0 | | 18/36=1/ | | 8x-(3x-7)=3-(5x+6) | | q+(q+2)=(q+4)+31 | | log(2)x^2+log(x)8=7 | | f(x)=6/x | | 24/-7 | | y=1-2x+x^2 | | 2(4a+2b)=3(2a+4b) | | 4a+3b=2a+4b | | log4x1/2 | | .5x^2+8x+17=0 |

Equations solver categories