katie-ellis_60a2cc8d39d9c
katie-ellis_60a2cc8d39d9c
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(ab + 2ac - 3cd - 5de) - (4ac + 8ab - 5cd + 5de) = ab + 2ac - 3cd - 5de - 4ac - 8ab + 5cd - 5de = ab - 8ab + 2ac - 4ac - 3cd + 5cd - 5de - 5de = -7ab - 2ac + 2cd - 10de ← Expresión final =============================================