2x*2x-3=9

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Solution for 2x*2x-3=9 equation:


Simplifying
2x * 2x + -3 = 9

Reorder the terms for easier multiplication:
2 * 2x * x + -3 = 9

Multiply 2 * 2
4x * x + -3 = 9

Multiply x * x
4x2 + -3 = 9

Reorder the terms:
-3 + 4x2 = 9

Solving
-3 + 4x2 = 9

Solving for variable 'x'.

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

Add '3' to each side of the equation.
-3 + 3 + 4x2 = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 4x2 = 9 + 3
4x2 = 9 + 3

Combine like terms: 9 + 3 = 12
4x2 = 12

Divide each side by '4'.
x2 = 3

Simplifying
x2 = 3

Take the square root of each side:
x = {-1.732050808, 1.732050808}

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