3x^2+5(x^2+4)=

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Solution for 3x^2+5(x^2+4)= equation:


Simplifying
3x2 + 5(x2 + 4) = 0

Reorder the terms:
3x2 + 5(4 + x2) = 0
3x2 + (4 * 5 + x2 * 5) = 0
3x2 + (20 + 5x2) = 0

Reorder the terms:
20 + 3x2 + 5x2 = 0

Combine like terms: 3x2 + 5x2 = 8x2
20 + 8x2 = 0

Solving
20 + 8x2 = 0

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 8x2 = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 8x2 = 0 + -20
8x2 = 0 + -20

Combine like terms: 0 + -20 = -20
8x2 = -20

Divide each side by '8'.
x2 = -2.5

Simplifying
x2 = -2.5

Reorder the terms:
2.5 + x2 = -2.5 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
2.5 + x2 = 0.0

The solution to this equation could not be determined.

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