4y^2+12y+13=2y^2+4

Simple and best practice solution for 4y^2+12y+13=2y^2+4 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 4y^2+12y+13=2y^2+4 equation:


Simplifying
4y2 + 12y + 13 = 2y2 + 4

Reorder the terms:
13 + 12y + 4y2 = 2y2 + 4

Reorder the terms:
13 + 12y + 4y2 = 4 + 2y2

Solving
13 + 12y + 4y2 = 4 + 2y2

Solving for variable 'y'.

Reorder the terms:
13 + -4 + 12y + 4y2 + -2y2 = 4 + 2y2 + -4 + -2y2

Combine like terms: 13 + -4 = 9
9 + 12y + 4y2 + -2y2 = 4 + 2y2 + -4 + -2y2

Combine like terms: 4y2 + -2y2 = 2y2
9 + 12y + 2y2 = 4 + 2y2 + -4 + -2y2

Reorder the terms:
9 + 12y + 2y2 = 4 + -4 + 2y2 + -2y2

Combine like terms: 4 + -4 = 0
9 + 12y + 2y2 = 0 + 2y2 + -2y2
9 + 12y + 2y2 = 2y2 + -2y2

Combine like terms: 2y2 + -2y2 = 0
9 + 12y + 2y2 = 0

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

Divide each side by '2'.
4.5 + 6y + y2 = 0

Move the constant term to the right:

Add '-4.5' to each side of the equation.
4.5 + 6y + -4.5 + y2 = 0 + -4.5

Reorder the terms:
4.5 + -4.5 + 6y + y2 = 0 + -4.5

Combine like terms: 4.5 + -4.5 = 0.0
0.0 + 6y + y2 = 0 + -4.5
6y + y2 = 0 + -4.5

Combine like terms: 0 + -4.5 = -4.5
6y + y2 = -4.5

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

Add '9' to each side of the equation.
6y + 9 + y2 = -4.5 + 9

Reorder the terms:
9 + 6y + y2 = -4.5 + 9

Combine like terms: -4.5 + 9 = 4.5
9 + 6y + y2 = 4.5

Factor a perfect square on the left side:
(y + 3)(y + 3) = 4.5

Calculate the square root of the right side: 2.121320344

Break this problem into two subproblems by setting 
(y + 3) equal to 2.121320344 and -2.121320344.

Subproblem 1

y + 3 = 2.121320344 Simplifying y + 3 = 2.121320344 Reorder the terms: 3 + y = 2.121320344 Solving 3 + y = 2.121320344 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + y = 2.121320344 + -3 Combine like terms: 3 + -3 = 0 0 + y = 2.121320344 + -3 y = 2.121320344 + -3 Combine like terms: 2.121320344 + -3 = -0.878679656 y = -0.878679656 Simplifying y = -0.878679656

Subproblem 2

y + 3 = -2.121320344 Simplifying y + 3 = -2.121320344 Reorder the terms: 3 + y = -2.121320344 Solving 3 + y = -2.121320344 Solving for variable 'y'. Move all terms containing y to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + y = -2.121320344 + -3 Combine like terms: 3 + -3 = 0 0 + y = -2.121320344 + -3 y = -2.121320344 + -3 Combine like terms: -2.121320344 + -3 = -5.121320344 y = -5.121320344 Simplifying y = -5.121320344

Solution

The solution to the problem is based on the solutions from the subproblems. y = {-0.878679656, -5.121320344}

See similar equations:

| 21(1.5m+3)=3.5m-1 | | -56x-2x=14-9x | | 3t+8t=t^2-3t-12 | | 32x+4=7 | | 3x-5=4x-9 | | 3x+21+18=65 | | x(x+14)=7(4x-7) | | 4h=0 | | 3x+21+18= | | (x+5)(2x+3)=-5 | | 225x^9+90x^5+45x^2= | | (4x+1)(2x+1)= | | 2x^2-14x-88=0 | | 2(x-2)=6 | | 6y^2+12y+13=2y+4 | | x(12x+7)=10 | | 3v+12-10v=-23-31v-5 | | 14x+9=93 | | 25x^2=49 | | a^2+9a=682 | | 90n^2+78n=0 | | (.202+x)*4x^2= | | w^2+3w=5 | | x^2+10=-17 | | 5x^2=16-16x | | 5x^2=31x+28 | | (3x-2)(4-x)-(2x-3)=7-3x | | x^2-10x+25=40 | | .75x=-69 | | 3x-15=8x | | 2x^2+32x+78=0 | | (3a+5)(2a-6)= |

Equations solver categories