1 Hour Kindle Method: How to Create Your 1 Hour Kindle Book in a Day (Phil Johncock's SHORTCUT Seri

1 Hour Kindle Method: How to Create Your 1 Hour Kindle Book in a Day (Phil Johncock's SHORTCUT Seri

Matematika Hasil ( 2× +3 ) (× -5 ) adalah

Hasil ( 2× +3 ) (× -5 ) adalah

Materi : Aljabar

_____________

Diketahui soal:

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

Maka penyelesaiannya:

kalikan secara merata

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

= (2x + 3) × (x - 5)

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

= 2x¹ × x¹ - 2x × 5 + 3x - 3 × 5

= 2x² - 10x + 3x - 15

= 2x² - 7x - 15

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