3a^4+4*3a^2-7=

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Solution for 3a^4+4*3a^2-7= equation:


Simplifying
3a4 + 4 * 3a2 + -7 = 0

Multiply 4 * 3
3a4 + 12a2 + -7 = 0

Reorder the terms:
-7 + 12a2 + 3a4 = 0

Solving
-7 + 12a2 + 3a4 = 0

Solving for variable 'a'.

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

Divide each side by '3'.
-2.333333333 + 4a2 + a4 = 0

Move the constant term to the right:

Add '2.333333333' to each side of the equation.
-2.333333333 + 4a2 + 2.333333333 + a4 = 0 + 2.333333333

Reorder the terms:
-2.333333333 + 2.333333333 + 4a2 + a4 = 0 + 2.333333333

Combine like terms: -2.333333333 + 2.333333333 = 0.000000000
0.000000000 + 4a2 + a4 = 0 + 2.333333333
4a2 + a4 = 0 + 2.333333333

Combine like terms: 0 + 2.333333333 = 2.333333333
4a2 + a4 = 2.333333333

The a term is 4a2.  Take half its coefficient (2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
4a2 + 4 + a4 = 2.333333333 + 4

Reorder the terms:
4 + 4a2 + a4 = 2.333333333 + 4

Combine like terms: 2.333333333 + 4 = 6.333333333
4 + 4a2 + a4 = 6.333333333

Factor a perfect square on the left side:
(a2 + 2)(a2 + 2) = 6.333333333

Calculate the square root of the right side: 2.516611478

Break this problem into two subproblems by setting 
(a2 + 2) equal to 2.516611478 and -2.516611478.

Subproblem 1

a2 + 2 = 2.516611478 Simplifying a2 + 2 = 2.516611478 Reorder the terms: 2 + a2 = 2.516611478 Solving 2 + a2 = 2.516611478 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + a2 = 2.516611478 + -2 Combine like terms: 2 + -2 = 0 0 + a2 = 2.516611478 + -2 a2 = 2.516611478 + -2 Combine like terms: 2.516611478 + -2 = 0.516611478 a2 = 0.516611478 Simplifying a2 = 0.516611478 Take the square root of each side: a = {-0.718756898, 0.718756898}

Subproblem 2

a2 + 2 = -2.516611478 Simplifying a2 + 2 = -2.516611478 Reorder the terms: 2 + a2 = -2.516611478 Solving 2 + a2 = -2.516611478 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + a2 = -2.516611478 + -2 Combine like terms: 2 + -2 = 0 0 + a2 = -2.516611478 + -2 a2 = -2.516611478 + -2 Combine like terms: -2.516611478 + -2 = -4.516611478 a2 = -4.516611478 Simplifying a2 = -4.516611478 Reorder the terms: 4.516611478 + a2 = -4.516611478 + 4.516611478 Combine like terms: -4.516611478 + 4.516611478 = 0.000000000 4.516611478 + a2 = 0.000000000 The solution to this equation could not be determined.This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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