Jawab:
x^2 - 4
Penjelasan dengan langkah-langkah:
(x - 2) (x + 2)
= x^2 + 2x - 2x -4 (2x - 2x jadi 0)
= x^2 - 4
Jawaban:
x² - 4
(x - 2) (x + 2)=
x(x + 2)-2(x + 2)=
x²+2x-2x-4=
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Jawab:
x^2 - 4
Penjelasan dengan langkah-langkah:
(x - 2) (x + 2)
= x^2 + 2x - 2x -4 (2x - 2x jadi 0)
= x^2 - 4
Jawaban:
x² - 4
Penjelasan dengan langkah-langkah:
(x - 2) (x + 2)=
x(x + 2)-2(x + 2)=
x²+2x-2x-4=
x² - 4