21p^2+84=0

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Solution for 21p^2+84=0 equation:


Simplifying
21p2 + 84 = 0

Reorder the terms:
84 + 21p2 = 0

Solving
84 + 21p2 = 0

Solving for variable 'p'.

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

Add '-84' to each side of the equation.
84 + -84 + 21p2 = 0 + -84

Combine like terms: 84 + -84 = 0
0 + 21p2 = 0 + -84
21p2 = 0 + -84

Combine like terms: 0 + -84 = -84
21p2 = -84

Divide each side by '21'.
p2 = -4

Simplifying
p2 = -4

Reorder the terms:
4 + p2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + p2 = 0

The solution to this equation could not be determined.

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