# QNM106 Lecture Notes - Lecture 1: Elementary Arithmetic

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Published on 23 Jan 2020

Department

QNM

Course

QNM106

Professor

Algebraic Expressions

Terminology Used in Algebraic Expressions

Terminology Used in Algebraic Expressions

Terminology Used in Algebraic Expressions

Terminology Used in Algebraic Expressions

Terminology Used in Algebraic Expressions

Terminology Used in Algebraic Expressions

Terminology Used in Algebraic Expressions

Basic Arithmetic Operations with Algebraic Expressions

Subtract (6x2 − 17x + 5) from (14x2 + 3x − 3).

• −8x2 − 20x + 8

• 20x2 − 14x + 2

• 8x2 + 20x − 8

• 8x2 − 14x − 8

Basic Arithmetic Operations with Algebraic Expressions

Multiply 9a3, 2ab, and 5b2.

• 90a4b3

• 90a3b2

• 16a4b3

• 16a3b2

Basic Arithmetic Operations with Algebraic Expressions

Expand and simplify 12x(x + 3) + x(x − 1).

• 24x2 + 24x

• 2x2 + 2x

• 13x2 + 9x