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Fundamental Concepts (Including Fundamental Operations) — MATHS STD 7 — Question

ICSE BoardEnglish MediumSTD 7MATHSFundamental Concepts (Including Fundamental Operations)2 Marks
Question
Multiply: $(6x - 2y)(3x - y)$
✓

Answer

$(6x - 2y)(3x - y)$
$\Rightarrow 6x (3x - y) - 2y (3x - y)$
$\Rightarrow 18x^2 - 6xy - 6xy + 2y^2$
$\Rightarrow 18x^2 - 12xy + 2y^2$

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