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Verified answer
Mapel : MatematikaKelas : VIII SMP
Bab : Persamaan Kuadrat
Pembahasan :
Ingat ! (a + b)(a - b) = a² - b²
(p + 2q)(p - 2q)
= p² - (2q)²
= p² - 4q²
Verified answer
✔ALJABAR✔✔PERSAMAAN KUADRAT✔
= > Sesuai Dengan Rumus x² - y² = ( x + y ) ( x - y ) , Jadi ( p + 2q ) ( p - 2q )
( p + 2q ) ( p - 2q )
= ( p × p ) - ( 2q × 2q )
= p² - 4q²
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