English

Multiply: X – 5 and X + 3

Multiply:

x – 5 and x + 3

Sum

(x − 5) × (x + 3)

= x × (x − 5 ) + 3 × (x − 5)

= x² + 5x − 3x − 15

= x² − 2x − 15

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Chapter 14: Fundamental Concepts (Including Angles and their Properties) - Exercise 19 (C)

Chapter 14 Fundamental Concepts (Including Angles and their Properties)
Exercise 19 (C) | Q 7.3

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