alexisss45 alexisss45

01-10-2019
Mathematics

contestada

(x + y) (x - y)
if x=-4 and y = 1

Respuesta :

nadiroz nadiroz

01-10-2019

• Difference of two squares = x² - y²

• Substitute x and y in equation

-> (-4)² - (1)²

-> 16 - 1

-> 15

Answer Link

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