How to solve x (6x-5y)-4(6x-5y)²
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https://www.meritnation.com/ask-answer/question/x-6x-5y-4-6x-5y-2/algebraic-expressions/7885325
https://www.meritnation.com/ask-answer/question/x-6x-5y-4-6x-5y-2/algebraic-expressions/7885325