marklee99
marklee99
02-01-2020
Mathematics
contestada
help me solve this
4 — (x-2) (x+2)
Respuesta :
r3t40
r3t40
02-01-2020
Using [tex](x-a)(x+a)=x^2-a^2[/tex] to obtain
[tex]4-(x^2-4)=4-x^2+4=8-x^2[/tex]
Hope this helps.
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