Factirrse (2a+3b)^2-4c^2
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Step-by-step explanation:
4a²+3b²+12ab-16c²=0
3b²+4(a²+3b²-4c²)=0
a²+3b²-4c²
a²+4b²-b²-4c²
1(a²+4b²)+1(b²-4c²)
(1+1)(a²+4b²) (b²-4c²)
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