saeed123 saeed123

20-09-2020
Mathematics

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Conjecture: The product of a number (x - 1) and the number (x + 1) is always equal to ENTER ANSWER HERE

Conjecture The product of a number x 1 and the number x 1 is always equal to ENTER ANSWER HERE class=

Respuesta :

jimrgrant1 jimrgrant1

20-09-2020

Answer:

x² - 1

Step-by-step explanation:

The product

(x - 1)(x + 1)

= x(x + 1) - 1(x + 1) ← distribute both parenthesis

= x² + x - x - 1 ← collect like terms

= x² - 1

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