factorize: 8(2a+3b)² -12(2a+3b)²
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Step-by-step explanation:
8(2a+3b)2 -12(2a+3b)2
8(4a+9b) - 12(4a+9b)
32a+72b - 48a+108b
-48a+32a + 108b+72b
-16a + 180b
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