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08-12-2021
Mathematics

contestada

Expand & simplify
(x +3) (x-3)

Respuesta :

ponytail151 ponytail151

08-12-2021

Answer:

x^2 - 9

Step-by-step explanation:

Multiply parenthesis

x × x = x^2

x × -3 = -3x

3 × x = 3x

3 × -3 = -9

x^2 - 3x + 3x - 9

= x2 - 9

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