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Zapisz w jak najprostszej postaci.
a)–(5a –3b) –(1,8 b + 1) + (2–2,3a)=
b)-4(x–5y) –3(-2x +4y) =
c)6a(5a²–8b) –10a(6b + 7a²) –3ab =
d)(2p –3s)(-p + 2s) –(-3p + s)(4p –5s) =
e)–3(2x –4)(x + 2) =
f)(√3+ 2r)²=
g)(c -√11)²=
=h)(2√5-√2m)(√2m + 2√5) =
i)(x –y + z)²=

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