7x^2+28=

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Solution for 7x^2+28= equation:


Simplifying
7x2 + 28 = 0

Reorder the terms:
28 + 7x2 = 0

Solving
28 + 7x2 = 0

Solving for variable 'x'.

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

Add '-28' to each side of the equation.
28 + -28 + 7x2 = 0 + -28

Combine like terms: 28 + -28 = 0
0 + 7x2 = 0 + -28
7x2 = 0 + -28

Combine like terms: 0 + -28 = -28
7x2 = -28

Divide each side by '7'.
x2 = -4

Simplifying
x2 = -4

Reorder the terms:
4 + x2 = -4 + 4

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

The solution to this equation could not be determined.

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