4x*5x=20

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Solution for 4x*5x=20 equation: 


Simplifying
4x * 5x = 20

Reorder the terms for easier multiplication:
4 * 5x * x = 20

Multiply 4 * 5
20x * x = 20

Multiply x * x
20x2 = 20

Solving
20x2 = 20

Solving for variable 'x'.

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

Divide each side by '20'.
x2 = 1

Simplifying
x2 = 1

Take the square root of each side:
x = {-1, 1}

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