(x + 3) (x - 7)
Penjelasan dengan langkah-langkah:
x² + 4x - 21
x(x - 7) + 3(x - 7)
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(x + 3) (x - 7)
Penjelasan dengan langkah-langkah:
x² + 4x - 21
x(x - 7) + 3(x - 7)
(x + 3) (x - 7)
= x(x – 7) + 3(x – 7)
= (x + 3) (x – 7) ✓
⑅ ᥱᥣ ๑