Perkalian suku dua (a + b) (a + b) = (a-b) (a-b) = Pake cara ya

Question

Matematika Diposting : 2017-11-26 Diupdate : 2017-11-26 salsabillah38

Pertanyaan

Perkalian suku dua
(a + b) (a + b)
=

(a-b) (a-b)
=

Pake cara ya

Answer 1

(a + b) (a + b)
= a^2 + ab + ab + b^2
= a^2 + 2ab + b^2

(a - b) (a - b)
= a^2 - ab - ab + b^2
= a^2 -2ab + b ^2

maaf klo salah

Answer 2

kalo salah maafkan saya.