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Byju's Answer
Standard VII
Mathematics
Triangular Numbers Using Patterns
Expansion of ...
Question

Expansion of -8(3a + 5b) yields :

A
-24a - 40b
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B
-22a + 80b
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C
20a - 30b
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D
-24a - 41b
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Solution

The correct option is A -24a - 40b
Using distributive property of multiplication
−8(3a+5b)
=(−8×3a)+(−8×5b)
=−24a−40b

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