Factories using identities 100 – (2a+3b)².
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100 - (2a + 3b)²
using (a + b)²= a² + b² + 2ab
100- {(2a)² + 2(2a)(3b) + (3b)²}
100 - 4a² + 12ab + 9b²
is the answer hope it helps (•‿•)
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