lara9741
lara9741
30-09-2020
Mathematics
contestada
Factorise
9x² -(3y - 4x)²
Respuesta :
chercherrym3
chercherrym3
30-09-2020
Answer:
(7x-3y) (-x+3y)
Step-by-step explanation:
(3x-3y+4x) (3x+3y-4x)
(
3x
-3y+
4x
) (
3x
+3y
-4x
)
(7x-3y) (-x+3y)
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