Hasil perkalian dr al jabbar berikut: a.(3x + 8y)(3x - 8y)= b.( 5x + 6y)(5x + 6y) = c.(6x - 9y)(6x - 9y)=

Question

Matematika Diposting : 2017-08-02 Diupdate : 2021-08-18 sonyeo14

Pertanyaan

Hasil perkalian dr al jabbar berikut: a.(3x + 8y)(3x - 8y)=
b.( 5x + 6y)(5x + 6y) =
c.(6x - 9y)(6x - 9y)=

Answer 1

a. 9 x²-24xy+24xy+64y = 9x²+64xy
b. 25x + 30 xy +30xy+36y = 25x²+60xy+36y
c. 36x²-54xy-54xy+81y = 36x²-108xy + 81y