Question

Hasil kali dari A.(×+5) (×-3)
B.(2×-1) (×+2y-3)

Answer 1

Verified answer

Kelas 8 Matematika
Bab Operasi Aljabar

A] (x + 5) (x - 3)
= x² - 3x + 5x - 15
= x² - 2x - 15

B] (2x - 1) (x + 2y - 3)
= 2x² + 4xy - 6x - x - 2y + 3
= 2x² + 4xy - 7x - 2y + 3

Answer 2

Verified answer

Jawabannya:

Mapel. : Matematika
Bab. : Operasi Aljabar

Pembahasan:

A.))
(x + 5) (x - 3)
→ x² - 3x + 5x - 15
→ x² - 2x - 15

B.))
(2x - 1) (x + 2y - 3)
→ 2x² + 4xy - 6x - x - 2y +3
→ 2x² + 4xy - 7x - 2y + 3

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