Question

DAU COROANA repede ca e test​

Answer 1

Răspuns:

asa se face cred.success

Answer 2

Răspuns:

$8x ^{7} + 12x ^{3} = 4 x ^{3} \times (2x ^{4} + 3)$

$x ^{2} - 49 = x ^{2} - 7 ^{2} = (x - 7) \times (x + 7)$