16x+208=x^2+6x+9

Simple and best practice solution for 16x+208=x^2+6x+9 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 16x+208=x^2+6x+9 equation:


Simplifying
16x + 208 = x2 + 6x + 9

Reorder the terms:
208 + 16x = x2 + 6x + 9

Reorder the terms:
208 + 16x = 9 + 6x + x2

Solving
208 + 16x = 9 + 6x + x2

Solving for variable 'x'.

Reorder the terms:
208 + -9 + 16x + -6x + -1x2 = 9 + 6x + x2 + -9 + -6x + -1x2

Combine like terms: 208 + -9 = 199
199 + 16x + -6x + -1x2 = 9 + 6x + x2 + -9 + -6x + -1x2

Combine like terms: 16x + -6x = 10x
199 + 10x + -1x2 = 9 + 6x + x2 + -9 + -6x + -1x2

Reorder the terms:
199 + 10x + -1x2 = 9 + -9 + 6x + -6x + x2 + -1x2

Combine like terms: 9 + -9 = 0
199 + 10x + -1x2 = 0 + 6x + -6x + x2 + -1x2
199 + 10x + -1x2 = 6x + -6x + x2 + -1x2

Combine like terms: 6x + -6x = 0
199 + 10x + -1x2 = 0 + x2 + -1x2
199 + 10x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
199 + 10x + -1x2 = 0

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

Divide each side by '-1'.
-199 + -10x + x2 = 0

Move the constant term to the right:

Add '199' to each side of the equation.
-199 + -10x + 199 + x2 = 0 + 199

Reorder the terms:
-199 + 199 + -10x + x2 = 0 + 199

Combine like terms: -199 + 199 = 0
0 + -10x + x2 = 0 + 199
-10x + x2 = 0 + 199

Combine like terms: 0 + 199 = 199
-10x + x2 = 199

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 199 + 25

Reorder the terms:
25 + -10x + x2 = 199 + 25

Combine like terms: 199 + 25 = 224
25 + -10x + x2 = 224

Factor a perfect square on the left side:
(x + -5)(x + -5) = 224

Calculate the square root of the right side: 14.966629547

Break this problem into two subproblems by setting 
(x + -5) equal to 14.966629547 and -14.966629547.

Subproblem 1

x + -5 = 14.966629547 Simplifying x + -5 = 14.966629547 Reorder the terms: -5 + x = 14.966629547 Solving -5 + x = 14.966629547 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 14.966629547 + 5 Combine like terms: -5 + 5 = 0 0 + x = 14.966629547 + 5 x = 14.966629547 + 5 Combine like terms: 14.966629547 + 5 = 19.966629547 x = 19.966629547 Simplifying x = 19.966629547

Subproblem 2

x + -5 = -14.966629547 Simplifying x + -5 = -14.966629547 Reorder the terms: -5 + x = -14.966629547 Solving -5 + x = -14.966629547 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -14.966629547 + 5 Combine like terms: -5 + 5 = 0 0 + x = -14.966629547 + 5 x = -14.966629547 + 5 Combine like terms: -14.966629547 + 5 = -9.966629547 x = -9.966629547 Simplifying x = -9.966629547

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.966629547, -9.966629547}

See similar equations:

| 17s-10+3(2s+1)= | | forx^3+12x-8x^2-16=0 | | 4(b-25)= | | x+25=5x+1 | | 3x-4=-10x+9 | | p^2+4x-3=0 | | log[1-x]/log[2x-1]=0 | | 3/7x=50 | | ifg(x)=x^2-10x-3findg(x+2) | | x^2+27+50=0 | | 9x^2-14=2x^2 | | 2(b+4)-(a+b)=-7 | | (X-5)/(X-9) | | x^2+11x+15=0 | | t-12=36 | | 7x-2y=5x-y | | (X-6)(2x+2)=y | | a^3+b^3+c^3=89 | | 1-9=0 | | 22=-9x+4 | | 100=-11/2n | | 14y+18x=186 | | X+5x=-2x-10 | | 15=3[x-3] | | 8-5/7=32 | | 3x+2y=23x+y+16 | | 1.5xy+4=.25-3 | | 4^2x-5=1/2 | | 7=d-12 | | -36=4t | | (72x^18z^8)^(1/3) | | 1/8×2/3 |

Equations solver categories