4x^2+12+9=16

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Solution for 4x^2+12+9=16 equation:


Simplifying
4x2 + 12 + 9 = 16

Reorder the terms:
12 + 9 + 4x2 = 16

Combine like terms: 12 + 9 = 21
21 + 4x2 = 16

Solving
21 + 4x2 = 16

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 4x2 = 16 + -21

Combine like terms: 21 + -21 = 0
0 + 4x2 = 16 + -21
4x2 = 16 + -21

Combine like terms: 16 + -21 = -5
4x2 = -5

Divide each side by '4'.
x2 = -1.25

Simplifying
x2 = -1.25

Reorder the terms:
1.25 + x2 = -1.25 + 1.25

Combine like terms: -1.25 + 1.25 = 0.00
1.25 + x2 = 0.00

The solution to this equation could not be determined.

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