30=4x^2+19+21

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Solution for 30=4x^2+19+21 equation:


Simplifying
30 = 4x2 + 19 + 21

Reorder the terms:
30 = 19 + 21 + 4x2

Combine like terms: 19 + 21 = 40
30 = 40 + 4x2

Solving
30 = 40 + 4x2

Solving for variable 'x'.

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

Add '-4x2' to each side of the equation.
30 + -4x2 = 40 + 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
30 + -4x2 = 40 + 0
30 + -4x2 = 40

Add '-30' to each side of the equation.
30 + -30 + -4x2 = 40 + -30

Combine like terms: 30 + -30 = 0
0 + -4x2 = 40 + -30
-4x2 = 40 + -30

Combine like terms: 40 + -30 = 10
-4x2 = 10

Divide each side by '-4'.
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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