Plss answer the following question

Dear student
Consider LHS2.3-0.692.3+0.69=2.3-0.692.3+0.69×2.3-0.692.3-0.69=2.3-0.6922.3-0.69=2.3+0.69-21.5871.61=2.99-21.5871.61=1.85-1.2421.587Please recheck the question as in the RHS term  30 is not possible.Note:x2-y2=x+yx-yx-y2=x2+y2-2xy
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