x^2=63+3x

Simple and best practice solution for x^2=63+3x 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=63+3x equation:


Simplifying
x2 = 63 + 3x

Solving
x2 = 63 + 3x

Solving for variable 'x'.

Reorder the terms:
-63 + -3x + x2 = 63 + 3x + -63 + -3x

Reorder the terms:
-63 + -3x + x2 = 63 + -63 + 3x + -3x

Combine like terms: 63 + -63 = 0
-63 + -3x + x2 = 0 + 3x + -3x
-63 + -3x + x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
-63 + -3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '63' to each side of the equation.
-63 + -3x + 63 + x2 = 0 + 63

Reorder the terms:
-63 + 63 + -3x + x2 = 0 + 63

Combine like terms: -63 + 63 = 0
0 + -3x + x2 = 0 + 63
-3x + x2 = 0 + 63

Combine like terms: 0 + 63 = 63
-3x + x2 = 63

The x term is -3x.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3x + 2.25 + x2 = 63 + 2.25

Reorder the terms:
2.25 + -3x + x2 = 63 + 2.25

Combine like terms: 63 + 2.25 = 65.25
2.25 + -3x + x2 = 65.25

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = 65.25

Calculate the square root of the right side: 8.077747211

Break this problem into two subproblems by setting 
(x + -1.5) equal to 8.077747211 and -8.077747211.

Subproblem 1

x + -1.5 = 8.077747211 Simplifying x + -1.5 = 8.077747211 Reorder the terms: -1.5 + x = 8.077747211 Solving -1.5 + x = 8.077747211 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 8.077747211 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 8.077747211 + 1.5 x = 8.077747211 + 1.5 Combine like terms: 8.077747211 + 1.5 = 9.577747211 x = 9.577747211 Simplifying x = 9.577747211

Subproblem 2

x + -1.5 = -8.077747211 Simplifying x + -1.5 = -8.077747211 Reorder the terms: -1.5 + x = -8.077747211 Solving -1.5 + x = -8.077747211 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -8.077747211 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -8.077747211 + 1.5 x = -8.077747211 + 1.5 Combine like terms: -8.077747211 + 1.5 = -6.577747211 x = -6.577747211 Simplifying x = -6.577747211

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.577747211, -6.577747211}

See similar equations:

| ln(2x-3)=3.8 | | A-18=25 | | 3(v+8)=-3(4v-2)+5v | | 3m+(-2)=16 | | 2x/5+x/10-4=6+3x-15 | | 4+4n=2n-2n | | -2(3u-1)+2u=6+2(3u-5) | | 7n^2=24 | | 4n^2=-1 | | 8-2*-1=6 | | -5(-5x+4)-x=6(x-2)-6 | | 5-12y=3 | | 0=-16t^2+25t+8 | | 0-5y=16 | | 10-(2z-2)=3-3z | | 8r^2=r+6 | | -5(u+3)=u-1+2(3u+1) | | 2(n+8)=40+6n | | -20=2(x+6) | | h=-16t^2+50+6 | | -6+-0.3333y=-4+-0.6666y | | -3(4u-6)+6u=3(u+2) | | x^2-6=-5x^2 | | 2n+16=12r+20 | | 5v+1-7(-2v-2)=3(v-1) | | 7-a=3a+1-3a | | y^2+2y-x+7=0 | | x/2+2=0 | | 9b-6=24+5b | | 9x+10=80 | | 9x+01=80 | | 6(x-6)-(-3x-3)=8x |

Equations solver categories