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Fundamental Operations (Related to Algebraic Expressions) — MATHS STD 6 — Question

ICSE BoardEnglish MediumSTD 6MATHSFundamental Operations (Related to Algebraic Expressions)3 Marks
Question
Multiply $: 2xyz + 3xy$ and $− 2y^2z$
✓

Answer

$2xyz + 3xy \times − 2y^2z$
$= 2xyz \times − 2y^2z + 3xy \times − 2y^2z$
$= − 4x \times y^{2+1} \times z^{1+1} − 6 \times x \times y^{2+1} \times z$
$= − 4xy^3z^2 − 6xy^3z$

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