( 2a +3b )×(2a -3b)
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Answer:
(2a + 3b) × (2a - 3b)
= 2a (2a - 3b) + 3b (2a - 3b)
= 2a^2 - 6ab + 6ab - 9b^2
= 2a^2 - 9b^2
Hope it helps
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the last answer of this question is 4a² - 9b²
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