x^2+16x=63

Simple and best practice solution for x^2+16x=63 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+16x=63 equation:


Simplifying
x2 + 16x = 63

Reorder the terms:
16x + x2 = 63

Solving
16x + x2 = 63

Solving for variable 'x'.

Reorder the terms:
-63 + 16x + x2 = 63 + -63

Combine like terms: 63 + -63 = 0
-63 + 16x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '63' to each side of the equation.
-63 + 16x + 63 + x2 = 0 + 63

Reorder the terms:
-63 + 63 + 16x + x2 = 0 + 63

Combine like terms: -63 + 63 = 0
0 + 16x + x2 = 0 + 63
16x + x2 = 0 + 63

Combine like terms: 0 + 63 = 63
16x + x2 = 63

The x term is 16x.  Take half its coefficient (8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
16x + 64 + x2 = 63 + 64

Reorder the terms:
64 + 16x + x2 = 63 + 64

Combine like terms: 63 + 64 = 127
64 + 16x + x2 = 127

Factor a perfect square on the left side:
(x + 8)(x + 8) = 127

Calculate the square root of the right side: 11.26942767

Break this problem into two subproblems by setting 
(x + 8) equal to 11.26942767 and -11.26942767.

Subproblem 1

x + 8 = 11.26942767 Simplifying x + 8 = 11.26942767 Reorder the terms: 8 + x = 11.26942767 Solving 8 + x = 11.26942767 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = 11.26942767 + -8 Combine like terms: 8 + -8 = 0 0 + x = 11.26942767 + -8 x = 11.26942767 + -8 Combine like terms: 11.26942767 + -8 = 3.26942767 x = 3.26942767 Simplifying x = 3.26942767

Subproblem 2

x + 8 = -11.26942767 Simplifying x + 8 = -11.26942767 Reorder the terms: 8 + x = -11.26942767 Solving 8 + x = -11.26942767 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + x = -11.26942767 + -8 Combine like terms: 8 + -8 = 0 0 + x = -11.26942767 + -8 x = -11.26942767 + -8 Combine like terms: -11.26942767 + -8 = -19.26942767 x = -19.26942767 Simplifying x = -19.26942767

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.26942767, -19.26942767}

See similar equations:

| .7x=55.3 | | 8x(x-2)= | | n(n-6)= | | (X^2-Y)DX+XDY=0 | | -3(4-4x)= | | 6x+7=4x-8 | | x^2+22x=48 | | 440-2x-x/5000=0 | | 440-2x-5000/x=0 | | 5(3-2d)= | | 6z-11=4z+4 | | 3(2-(m-2(8-3m)))= | | g/2=4 | | k/2=20 | | a/4=6 | | 2s=4 | | 5x-13+55-12x=76x-8+3-2x | | 10g=50 | | 5-17=26-11 | | 5y-2=4y-2+3y | | ((2x-9)/(x-1))-2=0 | | (2x-9)(x-1)-2=0 | | 2x(8x-5)=(5-4x) | | 168-3x=24x+21 | | 3*4.36= | | (h-8)-(h-10)-(2h+7)= | | 3(x-2)+4(2x-1)= | | 3(2x+m)+5(4x-3m)= | | 2x+31=11x-39 | | 7-5(8-3x)= | | -50=x-0.01x^2 | | 6x^2-11x-12x-x^2= |

Equations solver categories