Multiply: (x - 4) and (2x + 3) - Vidyadip

Question

Multiply: $(x - 4)$ and $(2x + 3)$

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Answer

$(x – 4) × (2x + 3) = x × (2x + 3) – 4 × (2x + 3)$
$= (x × 2x) + (x × 3) – (4 × 2x) – (4 × 3)$
$= 2x^{2} + 3x – 8x – 12 = 2x^2– 5x – 12$

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