Sneeker Sneeker

14-02-2021
Mathematics

contestada

Is there a way to solve (2x - 5)^2 using the formula a^2 - b^2 = (a-b) (a+b)?

Respuesta :

drejoebest drejoebest

14-02-2021

Answer:

yes

soln

(2x)² - (5)²

= (2x - 5)(2x + 5)

4x² + 10x - 10x - 25

4x² - 25

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