4a2+12ab+9b2 divide by 4a2-9b2
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Step-by-step explanation:
(4a^2+12ab+9b^2)/(4a^2-9b^2)
={(2a)^2+2×2a×3b+(3b)^2}/{(2a)^2-(3b)^2}
={(2a+3b)^2}/{(2a+3b)(2a-3b)}
=(2a+3b)/(2a-3b)
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