Question

Questão 3
a)(a + b)(a - b)
b) (x + 6). (x-6)
c)(2x + 2).(2x + 2)
d) (5a - b). (5a + b)
e) (x-2y). (x + 2y)
f) (ab - 3).( ab + 3)​

Answer 1

Resposta:

a) $a^{2} - b^{2}$

b) $x^{2} - 36$

c) $4x^{2}$ +8x +4

d) $25a^{2} - b^{2}$

e) $x^{2} - 4y^{2}$

f) $a^{2} b^{2} - 9$