0.4x*0.9x=1.44

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Solution for 0.4x*0.9x=1.44 equation: 


Simplifying
0.4x * 0.9x = 1.44

Reorder the terms for easier multiplication:
0.4 * 0.9x * x = 1.44

Multiply 0.4 * 0.9
0.36x * x = 1.44

Multiply x * x
0.36x2 = 1.44

Solving
0.36x2 = 1.44

Solving for variable 'x'.

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

Divide each side by '0.36'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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