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Simplify: 3x – 8 (5x – 10) - Mathematics

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Question

Simplify:

3x – 8 (5x – 10)

Sum

Solution

3x – 8 (5x – 10)

= 3x – 40x + 80

= – 37x + 80

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Concept of Substitution
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Chapter 20: Substitution (Including Use of Brackets as Grouping Symbols) - Revision Exercise

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Selina Mathematics [English] Class 6
Chapter 20 Substitution (Including Use of Brackets as Grouping Symbols)
Revision Exercise | Q 7.2
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