x*4x=9*36

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Solution for x*4x=9*36 equation: 


Simplifying
x * 4x = 9 * 36

Reorder the terms for easier multiplication:
4x * x = 9 * 36

Multiply x * x
4x2 = 9 * 36

Multiply 9 * 36
4x2 = 324

Solving
4x2 = 324

Solving for variable 'x'.

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

Divide each side by '4'.
x2 = 81

Simplifying
x2 = 81

Take the square root of each side:
x = {-9, 9}

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