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Trigonometry help

I have been trying to work this out but always get stuck. Can anyone help?

test comments
test comments
test comments
test comments
test comments
test comments
sample
ddd
dddds
ffffff

How do you expand triple brackets?

Expand and Simplify

(x – 3)(x + 5)(x – 2)

asss
hhhhh
aa
ffff
rtrtrt
ffffff
lllll