Question: Before we start multiplying, we notice that (6x9)(6x - 9) =expression.(6x - 9)2 (6x9)(6x - 9) + 4= (6x - 9) - +4Substitute this into


Before we start multiplying, we notice that (6x9)(6x - 9) =expression.(6x - 9)2 (6x9)(6x - 9) + 4= (6x - 9)² -³² +4Substitute this into the
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