Răspuns:
(4a - x + 1)(4a + x - 1)
Explicație pas cu pas:
16a² - x² + 2x - 1 =
16a² - (x² - 2x + 1) =
16a² - (x - 1)² =
[4a - (x - 1)] × [4a + (x - 1)] = (4a - x + 1)(4a + x - 1)
Formule folosite :
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Răspuns:
(4a - x + 1)(4a + x - 1)
Explicație pas cu pas:
16a² - x² + 2x - 1 =
16a² - (x² - 2x + 1) =
16a² - (x - 1)² =
[4a - (x - 1)] × [4a + (x - 1)] = (4a - x + 1)(4a + x - 1)
Formule folosite :