(5b-7b+3c) (7a+2b-4c)
Matematika
ariswandewi971
Pertanyaan
(5b-7b+3c) (7a+2b-4c)
2 Jawaban
-
1. Jawaban rekasabnacitraozwo8x
(5b-7b+3c) (7a+2b-4c)
= (-2b+3c) (7a+2b-4c)
= -14ab-4b²+8bc+21ac+6bc-12c²
= -14ab - 4b² + 14bc + 21ac - 12c²
= -4b² - 12c² - 14ab + 14bc + 21 ac
= (-4b² - 12c² - 14ab + 14bc + 21 ac) -
= 4b² + 12c² + 14ab - 14bc - 21 ac -
2. Jawaban chuesztwatye
(5b - 7b + 3c) (7a + 2b - 4c)
= (-2b + 3c) (7a + 2b - 4c)
= -14ab - 4b^2 + 8bc + 21ac + 6bc - 12c^2
= -4b^2 - 12c^2 - 14ab + 21ac + 8bc + 6bc
= -4b^2 - 12c^2 - 14ab + 21ac + 14bc