(X+2)(X+2)=9X+2

Simple and best practice solution for (X+2)(X+2)=9X+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+2)(X+2)=9X+2 equation:


Simplifying
(X + 2)(X + 2) = 9X + 2

Reorder the terms:
(2 + X)(X + 2) = 9X + 2

Reorder the terms:
(2 + X)(2 + X) = 9X + 2

Multiply (2 + X) * (2 + X)
(2(2 + X) + X(2 + X)) = 9X + 2
((2 * 2 + X * 2) + X(2 + X)) = 9X + 2
((4 + 2X) + X(2 + X)) = 9X + 2
(4 + 2X + (2 * X + X * X)) = 9X + 2
(4 + 2X + (2X + X2)) = 9X + 2

Combine like terms: 2X + 2X = 4X
(4 + 4X + X2) = 9X + 2

Reorder the terms:
4 + 4X + X2 = 2 + 9X

Solving
4 + 4X + X2 = 2 + 9X

Solving for variable 'X'.

Reorder the terms:
4 + -2 + 4X + -9X + X2 = 2 + 9X + -2 + -9X

Combine like terms: 4 + -2 = 2
2 + 4X + -9X + X2 = 2 + 9X + -2 + -9X

Combine like terms: 4X + -9X = -5X
2 + -5X + X2 = 2 + 9X + -2 + -9X

Reorder the terms:
2 + -5X + X2 = 2 + -2 + 9X + -9X

Combine like terms: 2 + -2 = 0
2 + -5X + X2 = 0 + 9X + -9X
2 + -5X + X2 = 9X + -9X

Combine like terms: 9X + -9X = 0
2 + -5X + X2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -5X + -2 + X2 = 0 + -2

Reorder the terms:
2 + -2 + -5X + X2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -5X + X2 = 0 + -2
-5X + X2 = 0 + -2

Combine like terms: 0 + -2 = -2
-5X + X2 = -2

The X term is -5X.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5X + 6.25 + X2 = -2 + 6.25

Reorder the terms:
6.25 + -5X + X2 = -2 + 6.25

Combine like terms: -2 + 6.25 = 4.25
6.25 + -5X + X2 = 4.25

Factor a perfect square on the left side:
(X + -2.5)(X + -2.5) = 4.25

Calculate the square root of the right side: 2.061552813

Break this problem into two subproblems by setting 
(X + -2.5) equal to 2.061552813 and -2.061552813.

Subproblem 1

X + -2.5 = 2.061552813 Simplifying X + -2.5 = 2.061552813 Reorder the terms: -2.5 + X = 2.061552813 Solving -2.5 + X = 2.061552813 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + X = 2.061552813 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + X = 2.061552813 + 2.5 X = 2.061552813 + 2.5 Combine like terms: 2.061552813 + 2.5 = 4.561552813 X = 4.561552813 Simplifying X = 4.561552813

Subproblem 2

X + -2.5 = -2.061552813 Simplifying X + -2.5 = -2.061552813 Reorder the terms: -2.5 + X = -2.061552813 Solving -2.5 + X = -2.061552813 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + X = -2.061552813 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + X = -2.061552813 + 2.5 X = -2.061552813 + 2.5 Combine like terms: -2.061552813 + 2.5 = 0.438447187 X = 0.438447187 Simplifying X = 0.438447187

Solution

The solution to the problem is based on the solutions from the subproblems. X = {4.561552813, 0.438447187}

See similar equations:

| 2x+(-3+7)=3 | | 4900=m*5000 | | x^4-5x^2-0.5=0 | | (X-4)^(2/3)=9 | | 7x-5/5=6 | | 4x^2+6x-13=0 | | y+y+8+y+6+9y= | | 5X+8=y+54 | | 24a^2-2a-12=0 | | x=4180/(8*.11) | | -8b=4(3n+5) | | -3(7p+5)-2(5-14p)=3(8+2p) | | 2x^5+12x^4+10x^3= | | -16x^2+40x-16=0 | | (X+2)(x+2)=9x+28 | | 12+8x=16x+4 | | 90+15x=25x | | 6/14-3/7 | | M-1/3=1/4 | | 9.3(3.2+x)=46.5 | | 12+8x=16x+5 | | 4/8-1/3 | | 3x(t+6)=150 | | 1/4x1/4x1/3 | | 2c+5d=-38 | | 25-c=25 | | 4/10-1/2 | | 4/3f=36 | | 4d^4+d^3-3d^2=0 | | 5f-160/9=c | | -3x-x=16 | | 2d+14=20 |

Equations solver categories