(x^2+8)+(3x^2-5)=

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Solution for (x^2+8)+(3x^2-5)= equation:


Simplifying
(x2 + 8) + (3x2 + -5) = 0

Reorder the terms:
(8 + x2) + (3x2 + -5) = 0

Remove parenthesis around (8 + x2)
8 + x2 + (3x2 + -5) = 0

Reorder the terms:
8 + x2 + (-5 + 3x2) = 0

Remove parenthesis around (-5 + 3x2)
8 + x2 + -5 + 3x2 = 0

Reorder the terms:
8 + -5 + x2 + 3x2 = 0

Combine like terms: 8 + -5 = 3
3 + x2 + 3x2 = 0

Combine like terms: x2 + 3x2 = 4x2
3 + 4x2 = 0

Solving
3 + 4x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + 4x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 4x2 = 0 + -3
4x2 = 0 + -3

Combine like terms: 0 + -3 = -3
4x2 = -3

Divide each side by '4'.
x2 = -0.75

Simplifying
x2 = -0.75

Reorder the terms:
0.75 + x2 = -0.75 + 0.75

Combine like terms: -0.75 + 0.75 = 0.00
0.75 + x2 = 0.00

The solution to this equation could not be determined.

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