hasil pengurangan (a+b)(c-d)dari (a+b)(2c+d)
Matematika
ruth100
Pertanyaan
hasil pengurangan (a+b)(c-d)dari (a+b)(2c+d)
1 Jawaban
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1. Jawaban tari333
{(a + b)(c - d)} - {(a + b)(2c + d)}
= (ac - ad + bc - bd) - (2ac + ad + 2bc + bd)
= ac - ad + bc - bd - 2ac - ad - 2bc - bd
= ac - 2ac - ad - ad + bc - 2bc - bd - bd
= -ac - 2ad - bc - 2bd
= -(ac + 2ad + bc + 2bd)