(5+2x).(5-2x) = jika nilai x=-1
Matematika
Dimassilalahi
Pertanyaan
(5+2x).(5-2x) =
jika nilai x=-1
jika nilai x=-1
1 Jawaban
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1. Jawaban ShanedizzySukardi
Materi: Aljabar
(5+2(-1))×(5-2(-1))
= (5-2)×(5+2)
= 3 × 7 = 21