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Simplifying
4x * 5x = 270
Reorder the terms for easier multiplication:
4 * 5x * x = 270
Multiply 4 * 5
20x * x = 270
Multiply x * x
20x2 = 270
Solving
20x2 = 270
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '20'.
x2 = 13.5
Simplifying
x2 = 13.5
Take the square root of each side:
x = {-3.674234614, 3.674234614}
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