Question
Evaluate: $(3c - 5d)(4c - 6d)$
✓
Answer
$(3c - 5d)(4c - 6d)$
$= 3c (4c - 6d) - 5d(4c - 6d)$
$= 12c^2 - 18cd - 20cd + 30d^2$
$= 12c^2 - 38cd + 30d^2$
$= 3c (4c - 6d) - 5d(4c - 6d)$
$= 12c^2 - 18cd - 20cd + 30d^2$
$= 12c^2 - 38cd + 30d^2$
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