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Verified answer
1)2)
Verified answer
Mapel : MatematikaKelas : VII SMP
Bab : Aljabar
Pembahasan :
x(3x + 5)
= 3x . x + 5 . x
= 3x² + 5x
(p + 3)(2p + 5)
= p.2p + p.5 + 3.2p + 3.5
= 2p² + 5p + 6p + 15
= 2p² + 11p + 15