4x^2+21+5=0

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Solution for 4x^2+21+5=0 equation:


Simplifying
4x2 + 21 + 5 = 0

Reorder the terms:
21 + 5 + 4x2 = 0

Combine like terms: 21 + 5 = 26
26 + 4x2 = 0

Solving
26 + 4x2 = 0

Solving for variable 'x'.

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

Add '-26' to each side of the equation.
26 + -26 + 4x2 = 0 + -26

Combine like terms: 26 + -26 = 0
0 + 4x2 = 0 + -26
4x2 = 0 + -26

Combine like terms: 0 + -26 = -26
4x2 = -26

Divide each side by '4'.
x2 = -6.5

Simplifying
x2 = -6.5

Reorder the terms:
6.5 + x2 = -6.5 + 6.5

Combine like terms: -6.5 + 6.5 = 0.0
6.5 + x2 = 0.0

The solution to this equation could not be determined.

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