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14 votes
14 votes
Rewrite in simplest terms: -2(5d-9f)+7f-10(-9f-7d)

User MrPizzaFace
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1 Answer

26 votes
26 votes

Answer:

= 5 ( 12d + 23f )

Explanation:

-2(5d-9f)+7f-10(-9f-7d

Open parenthesis

= -10d + 18f + 7f + 90f + 70d

Collect like terms

= -10d + 70d + 18f + 7f + 90f

= 60d + 115f

Factorise

= 5 ( 12d + 23f )

Therefore,

-2(5d-9f)+7f-10(-9f-7d) in its simplest form is 5 ( 12d + 23f )

User Shadowtrot
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2.5k points