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Sagot :
Answer:
9a + 6b and 5c - 3d
Step-by-step explanation:
(a)
4a + 7b + 5a - b ← collect like terms
= (4a + 5a) + (7b - b)
= 9a + 6b
(b)
6c + 4d - c - 7d ← collect like terms
= (6c - c) + (4d - 7d)
= 5c - 3d
Answer:
a) [tex]3(3a + 2b)[/tex]
b) [tex]5c - 3d[/tex]
Step-by-step explanation:
a) [tex]4a + 7b + 5a - b[/tex]
Lets arrange all like terms.
[tex] = > 4a + 5a + 7b - b[/tex]
[tex] = > 9a + 6b[/tex]
Taking 3 common from the terms,
[tex] = > 3(3a + 2b)[/tex]
b) [tex]6c + 4d - c - 7d[/tex]
Lets arrange all like terms.
[tex] = > 6c - c + 4d - 7d[/tex]
[tex] = > 5c - 3d[/tex]
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