6X=63-2X^2

Simple and best practice solution for 6X=63-2X^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 6X=63-2X^2 equation:


Simplifying
6X = 63 + -2X2

Solving
6X = 63 + -2X2

Solving for variable 'X'.

Reorder the terms:
-63 + 6X + 2X2 = 63 + -2X2 + -63 + 2X2

Reorder the terms:
-63 + 6X + 2X2 = 63 + -63 + -2X2 + 2X2

Combine like terms: 63 + -63 = 0
-63 + 6X + 2X2 = 0 + -2X2 + 2X2
-63 + 6X + 2X2 = -2X2 + 2X2

Combine like terms: -2X2 + 2X2 = 0
-63 + 6X + 2X2 = 0

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

Divide each side by '2'.
-31.5 + 3X + X2 = 0

Move the constant term to the right:

Add '31.5' to each side of the equation.
-31.5 + 3X + 31.5 + X2 = 0 + 31.5

Reorder the terms:
-31.5 + 31.5 + 3X + X2 = 0 + 31.5

Combine like terms: -31.5 + 31.5 = 0.0
0.0 + 3X + X2 = 0 + 31.5
3X + X2 = 0 + 31.5

Combine like terms: 0 + 31.5 = 31.5
3X + X2 = 31.5

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 = 31.5 + 2.25

Reorder the terms:
2.25 + 3X + X2 = 31.5 + 2.25

Combine like terms: 31.5 + 2.25 = 33.75
2.25 + 3X + X2 = 33.75

Factor a perfect square on the left side:
(X + 1.5)(X + 1.5) = 33.75

Calculate the square root of the right side: 5.809475019

Break this problem into two subproblems by setting 
(X + 1.5) equal to 5.809475019 and -5.809475019.

Subproblem 1

X + 1.5 = 5.809475019 Simplifying X + 1.5 = 5.809475019 Reorder the terms: 1.5 + X = 5.809475019 Solving 1.5 + X = 5.809475019 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 = 5.809475019 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + X = 5.809475019 + -1.5 X = 5.809475019 + -1.5 Combine like terms: 5.809475019 + -1.5 = 4.309475019 X = 4.309475019 Simplifying X = 4.309475019

Subproblem 2

X + 1.5 = -5.809475019 Simplifying X + 1.5 = -5.809475019 Reorder the terms: 1.5 + X = -5.809475019 Solving 1.5 + X = -5.809475019 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 = -5.809475019 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + X = -5.809475019 + -1.5 X = -5.809475019 + -1.5 Combine like terms: -5.809475019 + -1.5 = -7.309475019 X = -7.309475019 Simplifying X = -7.309475019

Solution

The solution to the problem is based on the solutions from the subproblems. X = {4.309475019, -7.309475019}

See similar equations:

| -5m+7=-48m+8-1 | | 2x^2-7x+1=1 | | 15p+30=-10+7p | | -6n+24=-8n+48-2n | | 6=-2a-1 | | -y^3-10y^2+27y=0 | | x^3-8x^2+8x-64=0 | | 10-6y=-6y+5 | | -(2x-3)-(7x-6)+3=-(7x+8)+3 | | -4v+32=8v-64 | | 2x-7=-7+2x | | -15a+6=-7-5a | | -25a+6=-7-5a | | 7/8x-1=5/4x+1/2 | | Y^(1/3)+Y^(1/6)-2=0 | | 7x+9=5x-16 | | 36x^2-169y^2=0 | | 2x+9(x+5)=11x+9(1+4x) | | (X-13/4)-(4x-14/7)=1 | | 14=5-3(x-2) | | 2-10x-6x=2x+24-40x | | 3x+2(4x-1)=31 | | -3r-5+8=-6r-12 | | 0=x^2-19x | | 24m^3n^2p^5/-3m^7n^2p | | 3(2-12r)=3r+4(3-10r) | | x^2+7x+108=0 | | 9x-2(x-2)=7(x+1)+7 | | 100w=300 | | 4x-7=9x+17 | | z(z^3+1)=6+Z^4 | | 14(d+8)=4(d-7)+10d |

Equations solver categories