May 2023 1 7 Report
1.- Desarrolla las siguientes expresiones.
a) (10a − 6)
2
b) (3b
2 − 9c
2
)
2
c) (10a
3b − 7ab
3
)
2
d) (12ax + 13by)
2

e) (4x
2 + 2)(4x
2 − 2)

f) (2y
4 + 1)(1 − 2y
4
)

g) (6x
2y − 10x
3y
2
)(6x
2y + 10x
3y
2
)

h) (x + 3y)(x − 9y)

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