x^2+63x-63=0

Simple and best practice solution for x^2+63x-63=0 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+63x-63=0 equation:


Simplifying
x2 + 63x + -63 = 0

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

Solving
-63 + 63x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

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

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

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

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

The x term is 63x.  Take half its coefficient (31.5).
Square it (992.25) and add it to both sides.

Add '992.25' to each side of the equation.
63x + 992.25 + x2 = 63 + 992.25

Reorder the terms:
992.25 + 63x + x2 = 63 + 992.25

Combine like terms: 63 + 992.25 = 1055.25
992.25 + 63x + x2 = 1055.25

Factor a perfect square on the left side:
(x + 31.5)(x + 31.5) = 1055.25

Calculate the square root of the right side: 32.484611742

Break this problem into two subproblems by setting 
(x + 31.5) equal to 32.484611742 and -32.484611742.

Subproblem 1

x + 31.5 = 32.484611742 Simplifying x + 31.5 = 32.484611742 Reorder the terms: 31.5 + x = 32.484611742 Solving 31.5 + x = 32.484611742 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-31.5' to each side of the equation. 31.5 + -31.5 + x = 32.484611742 + -31.5 Combine like terms: 31.5 + -31.5 = 0.0 0.0 + x = 32.484611742 + -31.5 x = 32.484611742 + -31.5 Combine like terms: 32.484611742 + -31.5 = 0.984611742 x = 0.984611742 Simplifying x = 0.984611742

Subproblem 2

x + 31.5 = -32.484611742 Simplifying x + 31.5 = -32.484611742 Reorder the terms: 31.5 + x = -32.484611742 Solving 31.5 + x = -32.484611742 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-31.5' to each side of the equation. 31.5 + -31.5 + x = -32.484611742 + -31.5 Combine like terms: 31.5 + -31.5 = 0.0 0.0 + x = -32.484611742 + -31.5 x = -32.484611742 + -31.5 Combine like terms: -32.484611742 + -31.5 = -63.984611742 x = -63.984611742 Simplifying x = -63.984611742

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.984611742, -63.984611742}

See similar equations:

| 236x-3=12 | | 3x-8=4x+10 | | 0.9+3x=6 | | -7(w-2)=2w-40 | | l=8-11+5 | | 3(3x+3)=18 | | 224=x+4(-7x+2) | | 5ln(x+6)-9lnx=0 | | 1/4(8-4p)=2p=12 | | W=l-(A/2) | | -[3-2(X-2)-3(X+1)]=6 | | -2[3(x-1)-2(4x+3)]-3(x-1)=5-[3(2x-1)-4(5x+3)] | | 2x/7=2^2 | | x+(x+15)=55 | | -2[2+5(X+1)+(x-1)]=6 | | 2(2x-5)=3x+x-2x | | 2(x+9)-2(9+x)+x=0 | | -6/7=x/84 | | 32x-6=6 | | x=-7+(5) | | 3(2x+2)-5(2-2x)=x+11 | | 3(w+4)+2(w+3)=108 | | -2.3=1/2y | | 18=1/3 | | 7(2x-3)-(4x+2)=5x-3(4x+5) | | 6z+2(3-z)+5=6z-1 | | 3(s+1)-(5-2)=225 | | 4+(8x-7)=11+7x | | 17p-26=56 | | 7y+5=(-23) | | 15x-8=14x+14 | | 3x^3+21x^2-24x=0 |

Equations solver categories