Multiply the following: 7pqr, (p - q + r) - Vidyadip

Question

Multiply the following:
$7pqr, (p - q + r)$

✓

Answer

$7pqr, (p - q + r)$
$7pqr \times (p - q + r)$
$= 7qr \times p - 7pqr \times q + 7qr \times r$
$=7 p^2 q r-7 p q^2 r+7 p q r^2$

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