= 16x⁴ - 81y⁴
= ( 4x² - 9y² ) × ( 4x² + 9y² )
= ( 2x - 3y ) × ( 2x + 3y ) × ( 4x² + 9y² )
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✏JAWABAN:
= 16x⁴ - 81y⁴
= ( 4x² - 9y² ) × ( 4x² + 9y² )
= ( 2x - 3y ) × ( 2x + 3y ) × ( 4x² + 9y² )