hasil perkalian (2x - 3) (x + 5) adalah.. a.2x^2 - 7x - 15 b.2x^2 + 7x - 15 c.2x^2 - 13 - 15 d.2x^2 + 13 - 15
Matematika
putridinda3
Pertanyaan
hasil perkalian (2x - 3) (x + 5) adalah..
a.2x^2 - 7x - 15
b.2x^2 + 7x - 15
c.2x^2 - 13 - 15
d.2x^2 + 13 - 15
a.2x^2 - 7x - 15
b.2x^2 + 7x - 15
c.2x^2 - 13 - 15
d.2x^2 + 13 - 15
1 Jawaban
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1. Jawaban ImNathaniel
(2x - 3) (x + 5)
= 2x(x + 5) - 3(x + 5)
= 2x² + 10x - 3x - 15
= 2x² + 7x - 15 (B)