x^2+2-x(x-1)=-x^2+4

Simple and best practice solution for x^2+2-x(x-1)=-x^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 x^2+2-x(x-1)=-x^2+4 equation:


Simplifying
x2 + 2 + -1x(x + -1) = -1x2 + 4

Reorder the terms:
x2 + 2 + -1x(-1 + x) = -1x2 + 4
x2 + 2 + (-1 * -1x + x * -1x) = -1x2 + 4
x2 + 2 + (1x + -1x2) = -1x2 + 4

Reorder the terms:
2 + 1x + x2 + -1x2 = -1x2 + 4

Combine like terms: x2 + -1x2 = 0
2 + 1x + 0 = -1x2 + 4
2 + 1x = -1x2 + 4

Reorder the terms:
2 + 1x = 4 + -1x2

Solving
2 + 1x = 4 + -1x2

Solving for variable 'x'.

Reorder the terms:
2 + -4 + 1x + x2 = 4 + -1x2 + -4 + x2

Combine like terms: 2 + -4 = -2
-2 + 1x + x2 = 4 + -1x2 + -4 + x2

Reorder the terms:
-2 + 1x + x2 = 4 + -4 + -1x2 + x2

Combine like terms: 4 + -4 = 0
-2 + 1x + x2 = 0 + -1x2 + x2
-2 + 1x + x2 = -1x2 + x2

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

Factor a trinomial.
(-2 + -1x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {-2, 1}

See similar equations:

| 3x-12/4=2 | | (2n^2+5n+2)(4n-5)= | | x-5/5=-1 | | n=0.04x-78.38 | | .5(38+x)=42 | | 6(x+4)/5=12 | | 38+x(.5)=42 | | (-4.0)x+8=1x+3 | | 4(x+2)/5=8 | | h=40t-5y^2 | | 16x+(-55)=0 | | 5b^2+5b+1=0 | | 3(x+1)/2=12 | | 2(x-8)/3=4 | | x=2(x-2) | | 7x+1=7x+28 | | 8a^3+14a^2+3a= | | y=-3x^2+4x-1 | | 4(x+5)+10=-2(x+3) | | 16x-11y=-22 | | y^2-10y+14=0 | | X^2-16x=-55 | | 6*-4= | | 2x^2+14x=18 | | Y=9x^4-225x^2 | | 12b^2-72b+108=0 | | 4b^2-32b=0 | | 6m+4=23 | | 43+6u=4u+24 | | 3(-28-7x)=42 | | 14x^2+6x=0 | | -4(w-u)+2(6u+6w)= |

Equations solver categories