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Operations on Algebraic Expressions — Maths STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8MathsOperations on Algebraic Expressions1 Mark
Question
Find following products:
$(x+3)(x-3)$
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Answer

$(x+3)(x-3)$
$=(x)^2-(3)^2$
$=x^2-9$

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