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6. Bentuk sederhana dari perkalian suku (2x - 3)(x +

Berikut ini adalah pertanyaan dari adnanjjjjj1234 pada mata pelajaran Matematika untuk jenjang Sekolah Menengah Pertama

6. Bentuk sederhana dari perkalian suku (2x - 3)(x + 5) adalaha. 2x²- 13x - 15
b. 2ײ- 7x + 15
c. 2x² + 13 x 15
d. 2x² + 7x - 15


Bantu pake cara Jangan ngasal aj​

Jawaban dan Penjelasan

Berikut ini adalah pilihan jawaban terbaik dari pertanyaan diatas.

(2x - 3)(x + 5)

= 2x(x) + 2x(5) + (-3)(x) + (-3)(5)

= 2x² + 10x + (-3x) + (-15)

= 2x² + 10x - 3x - 15

= 2x² + (10 - 3)x - 15

= 2x² + 7x - 15

Jawaban: \boxed{\bf \color{blue}{D.}}

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Last Update: Wed, 19 Jan 22
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