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
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