Tolong bantu pertanyaan ini yah No 1 dan 2 sudah tapi 3.4.5 belum

<p>1. 4(3A + 2) = 12A + 8</p><p>2. -2p(p - 4) = -2p² + 8p</p><p>3. 3x(4 + 5z + 2) = 12x + 15xz + 6x</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = 18x + 15xz</p><p>4. 2x² - xy + 3y &nbsp;+ 4xy = &nbsp;2x² + 3xy + 3y &nbsp;</p><p>5. 5x²y - 3xy² - 9x²y + 7xy² = -4x²y + 4xy²</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;= 4xy(-x + y)</p>