x^2+x^2+9=4x^2+9

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


Simplifying
x2 + x2 + 9 = 4x2 + 9

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

Combine like terms: x2 + x2 = 2x2
9 + 2x2 = 4x2 + 9

Reorder the terms:
9 + 2x2 = 9 + 4x2

Add '-9' to each side of the equation.
9 + -9 + 2x2 = 9 + -9 + 4x2

Combine like terms: 9 + -9 = 0
0 + 2x2 = 9 + -9 + 4x2
2x2 = 9 + -9 + 4x2

Combine like terms: 9 + -9 = 0
2x2 = 0 + 4x2
2x2 = 4x2

Solving
2x2 = 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.
2x2 + -4x2 = 4x2 + -4x2

Combine like terms: 2x2 + -4x2 = -2x2
-2x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-2x2 = 0

Divide each side by '-2'.
x2 = 0

Simplifying
x2 = 0

Take the square root of each side:
x = {0}

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