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Subtract the Second Expression from the First: A3 - 1 + A, 3a - 2a2 - Mathematics

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Question

Subtract the second expression from the first:

a3 - 1 + a, 3a - 2a

Sum

Solution

(a3 - 1 + a) - (3a - 2a2)

= a3 - 1 + a - 3a + 2a2 

= a3 + 2a2 - 2a - 1 

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Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (B)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (B) | Q 9.04
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