Пошаговое объяснение:
5(2p^2 -12p+9)+2(25-20p+4p^2)=10p^2 +8p^2 -60p-40p+45+50=18p^2 -100p+95
4(9-30a+25a^2)-5(2a^2 -3a-6a+9)=100a^2 -10a^2 -120a+45a+36-45=90a^2 -75a-9=3(30a^2 -25a-3)
a^2 +2a+1+2a+2-3(a^2 -1)=a^2 -3a^2 +2a+2a+1+2+3= -2a^2 +4a+6= -2(a^2 -2a-3) или 2(2а-а^2 +3)
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Пошаговое объяснение:
5(2p^2 -12p+9)+2(25-20p+4p^2)=10p^2 +8p^2 -60p-40p+45+50=18p^2 -100p+95
4(9-30a+25a^2)-5(2a^2 -3a-6a+9)=100a^2 -10a^2 -120a+45a+36-45=90a^2 -75a-9=3(30a^2 -25a-3)
a^2 +2a+1+2a+2-3(a^2 -1)=a^2 -3a^2 +2a+2a+1+2+3= -2a^2 +4a+6= -2(a^2 -2a-3) или 2(2а-а^2 +3)