3t(3t + 9) =

4(3v + 5) – 5(–5v + 2) =

3(6y – 3) + 5(–2y – 1) =

(p – 5)(5 + p) =

(3xy – 2x)(3y + 4xy) =

(3a² – 3b)(–5a – 4b²) =


pls potrzebuje na teraz