[x(x)]-3=x+2

Simple and best practice solution for [x(x)]-3=x+2 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(x)]-3=x+2 equation:


Simplifying
[x(x)] + -3 = x + 2

Multiply x * x
[x2] + -3 = x + 2
x2 + -3 = x + 2

Reorder the terms:
-3 + x2 = x + 2

Reorder the terms:
-3 + x2 = 2 + x

Solving
-3 + x2 = 2 + x

Solving for variable 'x'.

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

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

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

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

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

Begin completing the square.

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + -1x + 5 + x2 = 0 + 5

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

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

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

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 5 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 5 + 0.25

Combine like terms: 5 + 0.25 = 5.25
0.25 + -1x + x2 = 5.25

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 5.25

Calculate the square root of the right side: 2.291287847

Break this problem into two subproblems by setting 
(x + -0.5) equal to 2.291287847 and -2.291287847.

Subproblem 1

x + -0.5 = 2.291287847 Simplifying x + -0.5 = 2.291287847 Reorder the terms: -0.5 + x = 2.291287847 Solving -0.5 + x = 2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 2.291287847 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 2.291287847 + 0.5 x = 2.291287847 + 0.5 Combine like terms: 2.291287847 + 0.5 = 2.791287847 x = 2.791287847 Simplifying x = 2.791287847

Subproblem 2

x + -0.5 = -2.291287847 Simplifying x + -0.5 = -2.291287847 Reorder the terms: -0.5 + x = -2.291287847 Solving -0.5 + x = -2.291287847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -2.291287847 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -2.291287847 + 0.5 x = -2.291287847 + 0.5 Combine like terms: -2.291287847 + 0.5 = -1.791287847 x = -1.791287847 Simplifying x = -1.791287847

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.791287847, -1.791287847}

See similar equations:

| -5x+12-7x=-3(5x+8) | | 134=-7x-2(7x-4) | | -2n-1.5-n=4.9 | | 9r-3r=63 | | 4v+2(4v-9)=3(9v-6) | | 4(24-u)=-4u+12 | | 4y^2=96x-18 | | -12=4x+12 | | x+x+3+x(2)-5=78 | | [x(x)]-4=x+2 | | 7-3r=r-8+r | | Y=1.2x-4.2 | | -3+x+10=2 | | 98-y=3x | | 9x^2+27x-22=0 | | 3n+5q=9+4q | | 4x+0.9=2x | | 4y^2=96-18 | | 3x-24+4x=7x+54 | | (x*x)=64 | | k-3+6k=2+6k | | 8y-13=5y+8 | | 0.5(b-3)=0.625 | | T(4.9t+14.7)=0 | | 110=6x-4(-x-5) | | (x*x)/2-3=x+2 | | x-6-7=26 | | x/10+16=21 | | 3(g-7)=2(19+g) | | 3(2x-3)+17=(5x+1)+2x | | 9r-2r=36 | | (xx)/2-3=x+2 |

Equations solver categories