Sagot :
Bonsoir,
d = 44x² + 36x
= 4x(11x + 9)
e = 5x² - 180
= 5(x² - 36)
= 5(x² - 6²)
= 5(x + 6)(x - 6)
f = 24x² - 72x + 54
= 6(4x² - 12x + 9)
= 6(2x - 3)²
d = 44x² + 36x
= 4x(11x + 9)
e = 5x² - 180
= 5(x² - 36)
= 5(x² - 6²)
= 5(x + 6)(x - 6)
f = 24x² - 72x + 54
= 6(4x² - 12x + 9)
= 6(2x - 3)²