634
Объяснение:
(2х-5)(2х+5)(4х²+25)-(4х²-3)² = 634
(2х-5)(2х+5) = (4х²-25)
(4х²-25)(4х²+25) = (16x^4-25^2)
(16x^4-25²)=(4x² - 25)²
(4x² - 25)²-(4х²-3)² = 4x² - 4x² - 25² + 3² = -25² + 3² = 625 + 9 = 634
634
Объяснение:
(2х-5)(2х+5)(4х²+25)-(4х²-3)² = 634
(2х-5)(2х+5) = (4х²-25)
(4х²-25)(4х²+25) = (16x^4-25^2)
(16x^4-25²)=(4x² - 25)²
(4x² - 25)²-(4х²-3)² = 4x² - 4x² - 25² + 3² = -25² + 3² = 625 + 9 = 634