# Simplify: A2(2a − 1) + 3a + A3 − 8 - Mathematics

Simplify: a2(2a − 1) + 3a + a3 − 8

#### Solution

To simplify, we will use distributive law as follows:​

$a^2 \left( 2a - 1 \right) + 3a + a^3 - 8$

$= 2 a^3 - a^2 + 3a + a^3 - 8$

$= 2 a^3 + a^3 - a^2 + 3a - 8$

$= 3 a^3 - a^2 + 3a - 8$

Concept: Multiplication of Algebraic Expressions
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#### APPEARS IN

RD Sharma Class 8 Maths
Chapter 6 Algebraic Expressions and Identities
Exercise 6.4 | Q 20.1 | Page 21