Question

Fatore:
a) x³ + x² + x =
b) x² - 25 =
c) 25y² - 36 =
d) y² - 9/6 =
e) x² - 49 =

Answer 1

a) x³ + x² + x = x(x² + x + 1)

b) x² - 25 = (x+5)(x-5)

c) 25y² - 36 = (5y+6)(5y-6)

d) y² - 9/6 = (y+3/√6) (y-3√6)

e) x² - 49 = (x-7)(x+7)