4q^2+2q=3q^2-4q+18

Simple and best practice solution for 4q^2+2q=3q^2-4q+18 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 4q^2+2q=3q^2-4q+18 equation:


Simplifying
4q2 + 2q = 3q2 + -4q + 18

Reorder the terms:
2q + 4q2 = 3q2 + -4q + 18

Reorder the terms:
2q + 4q2 = 18 + -4q + 3q2

Solving
2q + 4q2 = 18 + -4q + 3q2

Solving for variable 'q'.

Reorder the terms:
-18 + 2q + 4q + 4q2 + -3q2 = 18 + -4q + 3q2 + -18 + 4q + -3q2

Combine like terms: 2q + 4q = 6q
-18 + 6q + 4q2 + -3q2 = 18 + -4q + 3q2 + -18 + 4q + -3q2

Combine like terms: 4q2 + -3q2 = 1q2
-18 + 6q + 1q2 = 18 + -4q + 3q2 + -18 + 4q + -3q2

Reorder the terms:
-18 + 6q + 1q2 = 18 + -18 + -4q + 4q + 3q2 + -3q2

Combine like terms: 18 + -18 = 0
-18 + 6q + 1q2 = 0 + -4q + 4q + 3q2 + -3q2
-18 + 6q + 1q2 = -4q + 4q + 3q2 + -3q2

Combine like terms: -4q + 4q = 0
-18 + 6q + 1q2 = 0 + 3q2 + -3q2
-18 + 6q + 1q2 = 3q2 + -3q2

Combine like terms: 3q2 + -3q2 = 0
-18 + 6q + 1q2 = 0

Begin completing the square.

Move the constant term to the right:

Add '18' to each side of the equation.
-18 + 6q + 18 + q2 = 0 + 18

Reorder the terms:
-18 + 18 + 6q + q2 = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 6q + q2 = 0 + 18
6q + q2 = 0 + 18

Combine like terms: 0 + 18 = 18
6q + q2 = 18

The q term is 6q.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6q + 9 + q2 = 18 + 9

Reorder the terms:
9 + 6q + q2 = 18 + 9

Combine like terms: 18 + 9 = 27
9 + 6q + q2 = 27

Factor a perfect square on the left side:
(q + 3)(q + 3) = 27

Calculate the square root of the right side: 5.196152423

Break this problem into two subproblems by setting 
(q + 3) equal to 5.196152423 and -5.196152423.

Subproblem 1

q + 3 = 5.196152423 Simplifying q + 3 = 5.196152423 Reorder the terms: 3 + q = 5.196152423 Solving 3 + q = 5.196152423 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + q = 5.196152423 + -3 Combine like terms: 3 + -3 = 0 0 + q = 5.196152423 + -3 q = 5.196152423 + -3 Combine like terms: 5.196152423 + -3 = 2.196152423 q = 2.196152423 Simplifying q = 2.196152423

Subproblem 2

q + 3 = -5.196152423 Simplifying q + 3 = -5.196152423 Reorder the terms: 3 + q = -5.196152423 Solving 3 + q = -5.196152423 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + q = -5.196152423 + -3 Combine like terms: 3 + -3 = 0 0 + q = -5.196152423 + -3 q = -5.196152423 + -3 Combine like terms: -5.196152423 + -3 = -8.196152423 q = -8.196152423 Simplifying q = -8.196152423

Solution

The solution to the problem is based on the solutions from the subproblems. q = {2.196152423, -8.196152423}

See similar equations:

| 4(1.75)+2(1.75)+7= | | 5(x+3)-4(x-1)=24 | | 75=(x+5)(x) | | 3p+-4q=-6 | | x^10=28 | | 160=(x+6)(x) | | 150=(x+5)(x) | | x^3+7x^2-6x-42= | | 3x^3-12x^2+4x-16= | | -6n+10=-4n-2 | | 6-2c=4 | | 2log(x+5)=log(9) | | 2x^2-13x-84= | | 2v^2-28v-64= | | 12(4-2d)-6=2(5d-5) | | 3x^2-10x-57= | | 16w^2-8w+1= | | logx=2.79 | | -5*2-5y=25 | | -5*3-5y=25 | | (4+v)(4v^2+9)=0 | | -6(-1)(-5)(5)= | | (5x^2)-41x+8=0 | | 10*2+10y=100 | | 10*4+10y=100 | | 8(x+2)-6= | | (x+7)(x)=144 | | 9a^2+11a+4= | | y=50l^2+2000 | | 16x^3-30x-2=0 | | (x+6)(x)=72 | | 65=9x |

Equations solver categories